Home / 3,697.05-5,545.20-1,231.61

Finding the Fourth Proportional to 3,697.05, 5,545.20 and 1,231.61

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Solution

The fourth proportional to 3,697.05, 5,545.20 and 1,231.61 is: 1,847.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,697.05 : 5,545.20 = 1,231.61 : x
  2. Step 2: Convert to fraction form
    3,697.05/5,545.20 = 1,231.61/x
  3. Step 3: Cross multiply
    3,697.05x = 5,545.20 × 1,231.61
  4. Step 4: Simplify right side
    3,697.05x = 6,829,496.05
  5. Step 5: Solve for x
    x = 6,829,496.05/3,697.05
  6. Step 6: Final answer
    x = 1,847.28

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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.