Home / 3,549.38-5,324.08-2,087.72

Finding the Fourth Proportional to 3,549.38, 5,324.08 and 2,087.72

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Solution

The fourth proportional to 3,549.38, 5,324.08 and 2,087.72 is: 3,131.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549.38 : 5,324.08 = 2,087.72 : x
  2. Step 2: Convert to fraction form
    3,549.38/5,324.08 = 2,087.72/x
  3. Step 3: Cross multiply
    3,549.38x = 5,324.08 × 2,087.72
  4. Step 4: Simplify right side
    3,549.38x = 11,115,188.30
  5. Step 5: Solve for x
    x = 11,115,188.30/3,549.38
  6. Step 6: Final answer
    x = 3,131.59

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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.