Home / 3,647.73-5,471.57-1,149.11

Finding the Fourth Proportional to 3,647.73, 5,471.57 and 1,149.11

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Solution

The fourth proportional to 3,647.73, 5,471.57 and 1,149.11 is: 1,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.73 : 5,471.57 = 1,149.11 : x
  2. Step 2: Convert to fraction form
    3,647.73/5,471.57 = 1,149.11/x
  3. Step 3: Cross multiply
    3,647.73x = 5,471.57 × 1,149.11
  4. Step 4: Simplify right side
    3,647.73x = 6,287,402.70
  5. Step 5: Solve for x
    x = 6,287,402.70/3,647.73
  6. Step 6: Final answer
    x = 1,723.65

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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.