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Finding the Fourth Proportional to 1,609.10, 2,414.32 and 569.24

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Solution

The fourth proportional to 1,609.10, 2,414.32 and 569.24 is: 854.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609.10 : 2,414.32 = 569.24 : x
  2. Step 2: Convert to fraction form
    1,609.10/2,414.32 = 569.24/x
  3. Step 3: Cross multiply
    1,609.10x = 2,414.32 × 569.24
  4. Step 4: Simplify right side
    1,609.10x = 1,374,327.52
  5. Step 5: Solve for x
    x = 1,374,327.52/1,609.10
  6. Step 6: Final answer
    x = 854.10

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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.