Home / 3,371.36-4,652.16-3,123.68

Finding the Fourth Proportional to 3,371.36, 4,652.16 and 3,123.68

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Solution

The fourth proportional to 3,371.36, 4,652.16 and 3,123.68 is: 4,310.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.36 : 4,652.16 = 3,123.68 : x
  2. Step 2: Convert to fraction form
    3,371.36/4,652.16 = 3,123.68/x
  3. Step 3: Cross multiply
    3,371.36x = 4,652.16 × 3,123.68
  4. Step 4: Simplify right side
    3,371.36x = 14,531,859.15
  5. Step 5: Solve for x
    x = 14,531,859.15/3,371.36
  6. Step 6: Final answer
    x = 4,310.38

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Find fourth proportional to 1,685.68, 2,326.08 and 1,561.84
Half scale
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Double scale
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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.