Home / 3,700.25-5,550.56-1,103.21

Finding the Fourth Proportional to 3,700.25, 5,550.56 and 1,103.21

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Solution

The fourth proportional to 3,700.25, 5,550.56 and 1,103.21 is: 1,654.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,700.25 : 5,550.56 = 1,103.21 : x
  2. Step 2: Convert to fraction form
    3,700.25/5,550.56 = 1,103.21/x
  3. Step 3: Cross multiply
    3,700.25x = 5,550.56 × 1,103.21
  4. Step 4: Simplify right side
    3,700.25x = 6,123,433.30
  5. Step 5: Solve for x
    x = 6,123,433.30/3,700.25
  6. Step 6: Final answer
    x = 1,654.87

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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.