Home / 3,436.35-4,742.10-1,864.41

Finding the Fourth Proportional to 3,436.35, 4,742.10 and 1,864.41

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Solution

The fourth proportional to 3,436.35, 4,742.10 and 1,864.41 is: 2,572.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,436.35 : 4,742.10 = 1,864.41 : x
  2. Step 2: Convert to fraction form
    3,436.35/4,742.10 = 1,864.41/x
  3. Step 3: Cross multiply
    3,436.35x = 4,742.10 × 1,864.41
  4. Step 4: Simplify right side
    3,436.35x = 8,841,218.66
  5. Step 5: Solve for x
    x = 8,841,218.66/3,436.35
  6. Step 6: Final answer
    x = 2,572.85

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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.