Home / 3,547.55-5,321.33-1,082.39

Finding the Fourth Proportional to 3,547.55, 5,321.33 and 1,082.39

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Solution

The fourth proportional to 3,547.55, 5,321.33 and 1,082.39 is: 1,623.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,547.55 : 5,321.33 = 1,082.39 : x
  2. Step 2: Convert to fraction form
    3,547.55/5,321.33 = 1,082.39/x
  3. Step 3: Cross multiply
    3,547.55x = 5,321.33 × 1,082.39
  4. Step 4: Simplify right side
    3,547.55x = 5,759,726.42
  5. Step 5: Solve for x
    x = 5,759,726.42/3,547.55
  6. Step 6: Final answer
    x = 1,623.58

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Similar ratio
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1.5x scale

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.