Home / 2,421.20-3,632.22-1,250.87

Finding the Fourth Proportional to 2,421.20, 3,632.22 and 1,250.87

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Solution

The fourth proportional to 2,421.20, 3,632.22 and 1,250.87 is: 1,876.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.20 : 3,632.22 = 1,250.87 : x
  2. Step 2: Convert to fraction form
    2,421.20/3,632.22 = 1,250.87/x
  3. Step 3: Cross multiply
    2,421.20x = 3,632.22 × 1,250.87
  4. Step 4: Simplify right side
    2,421.20x = 4,543,454.47
  5. Step 5: Solve for x
    x = 4,543,454.47/2,421.20
  6. Step 6: Final answer
    x = 1,876.53

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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.