Home / 1,741.42-2,612.40-508.69

Finding the Fourth Proportional to 1,741.42, 2,612.40 and 508.69

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Solution

The fourth proportional to 1,741.42, 2,612.40 and 508.69 is: 763.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741.42 : 2,612.40 = 508.69 : x
  2. Step 2: Convert to fraction form
    1,741.42/2,612.40 = 508.69/x
  3. Step 3: Cross multiply
    1,741.42x = 2,612.40 × 508.69
  4. Step 4: Simplify right side
    1,741.42x = 1,328,901.76
  5. Step 5: Solve for x
    x = 1,328,901.76/1,741.42
  6. Step 6: Final answer
    x = 763.11

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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.