Home / 3,436.77-4,742.58-1,864.83

Finding the Fourth Proportional to 3,436.77, 4,742.58 and 1,864.83

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Solution

The fourth proportional to 3,436.77, 4,742.58 and 1,864.83 is: 2,573.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.77 : 4,742.58 = 1,864.83 : x
  2. Step 2: Convert to fraction form
    3,436.77/4,742.58 = 1,864.83/x
  3. Step 3: Cross multiply
    3,436.77x = 4,742.58 × 1,864.83
  4. Step 4: Simplify right side
    3,436.77x = 8,844,105.46
  5. Step 5: Solve for x
    x = 8,844,105.46/3,436.77
  6. Step 6: Final answer
    x = 2,573.38

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Find fourth proportional to 1,718.39, 2,371.29 and 932.42
Half scale
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Double scale
Find fourth proportional to 3,437.77, 4,743.96 and 1,865.83
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.