Home / 3,538.66-5,299.90-1,691.08

Finding the Fourth Proportional to 3,538.66, 5,299.90 and 1,691.08

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Solution

The fourth proportional to 3,538.66, 5,299.90 and 1,691.08 is: 2,532.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,538.66 : 5,299.90 = 1,691.08 : x
  2. Step 2: Convert to fraction form
    3,538.66/5,299.90 = 1,691.08/x
  3. Step 3: Cross multiply
    3,538.66x = 5,299.90 × 1,691.08
  4. Step 4: Simplify right side
    3,538.66x = 8,962,554.89
  5. Step 5: Solve for x
    x = 8,962,554.89/3,538.66
  6. Step 6: Final answer
    x = 2,532.75

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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.