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Finding the Fourth Proportional to 3,700.91, 5,549.07 and 1,235.09

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Solution

The fourth proportional to 3,700.91, 5,549.07 and 1,235.09 is: 1,851.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.91 : 5,549.07 = 1,235.09 : x
  2. Step 2: Convert to fraction form
    3,700.91/5,549.07 = 1,235.09/x
  3. Step 3: Cross multiply
    3,700.91x = 5,549.07 × 1,235.09
  4. Step 4: Simplify right side
    3,700.91x = 6,853,600.87
  5. Step 5: Solve for x
    x = 6,853,600.87/3,700.91
  6. Step 6: Final answer
    x = 1,851.87

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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.