Home / 1,613.85-2,419.82-1,154.58

Finding the Fourth Proportional to 1,613.85, 2,419.82 and 1,154.58

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Solution

The fourth proportional to 1,613.85, 2,419.82 and 1,154.58 is: 1,731.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613.85 : 2,419.82 = 1,154.58 : x
  2. Step 2: Convert to fraction form
    1,613.85/2,419.82 = 1,154.58/x
  3. Step 3: Cross multiply
    1,613.85x = 2,419.82 × 1,154.58
  4. Step 4: Simplify right side
    1,613.85x = 2,793,875.78
  5. Step 5: Solve for x
    x = 2,793,875.78/1,613.85
  6. Step 6: Final answer
    x = 1,731.19

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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.