Home / 2,132.43-3,198.39-572.55

Finding the Fourth Proportional to 2,132.43, 3,198.39 and 572.55

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Solution

The fourth proportional to 2,132.43, 3,198.39 and 572.55 is: 858.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,132.43 : 3,198.39 = 572.55 : x
  2. Step 2: Convert to fraction form
    2,132.43/3,198.39 = 572.55/x
  3. Step 3: Cross multiply
    2,132.43x = 3,198.39 × 572.55
  4. Step 4: Simplify right side
    2,132.43x = 1,831,238.19
  5. Step 5: Solve for x
    x = 1,831,238.19/2,132.43
  6. Step 6: Final answer
    x = 858.76

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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.