Home / 1,621.38-2,432.97-1,350.75

Finding the Fourth Proportional to 1,621.38, 2,432.97 and 1,350.75

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Solution

The fourth proportional to 1,621.38, 2,432.97 and 1,350.75 is: 2,026.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621.38 : 2,432.97 = 1,350.75 : x
  2. Step 2: Convert to fraction form
    1,621.38/2,432.97 = 1,350.75/x
  3. Step 3: Cross multiply
    1,621.38x = 2,432.97 × 1,350.75
  4. Step 4: Simplify right side
    1,621.38x = 3,286,334.23
  5. Step 5: Solve for x
    x = 3,286,334.23/1,621.38
  6. Step 6: Final answer
    x = 2,026.87

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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.