Home / 1,741.38-2,612.49-508.74

Finding the Fourth Proportional to 1,741.38, 2,612.49 and 508.74

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Solution

The fourth proportional to 1,741.38, 2,612.49 and 508.74 is: 763.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.38 : 2,612.49 = 508.74 : x
  2. Step 2: Convert to fraction form
    1,741.38/2,612.49 = 508.74/x
  3. Step 3: Cross multiply
    1,741.38x = 2,612.49 × 508.74
  4. Step 4: Simplify right side
    1,741.38x = 1,329,078.16
  5. Step 5: Solve for x
    x = 1,329,078.16/1,741.38
  6. Step 6: Final answer
    x = 763.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.