Home / 1,741.28-2,612.04-508.72

Finding the Fourth Proportional to 1,741.28, 2,612.04 and 508.72

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Solution

The fourth proportional to 1,741.28, 2,612.04 and 508.72 is: 763.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.28 : 2,612.04 = 508.72 : x
  2. Step 2: Convert to fraction form
    1,741.28/2,612.04 = 508.72/x
  3. Step 3: Cross multiply
    1,741.28x = 2,612.04 × 508.72
  4. Step 4: Simplify right side
    1,741.28x = 1,328,796.99
  5. Step 5: Solve for x
    x = 1,328,796.99/1,741.28
  6. Step 6: Final answer
    x = 763.12

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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.