Home / 3,182.38-4,389.33-2,132.62

Finding the Fourth Proportional to 3,182.38, 4,389.33 and 2,132.62

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Solution

The fourth proportional to 3,182.38, 4,389.33 and 2,132.62 is: 2,941.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.38 : 4,389.33 = 2,132.62 : x
  2. Step 2: Convert to fraction form
    3,182.38/4,389.33 = 2,132.62/x
  3. Step 3: Cross multiply
    3,182.38x = 4,389.33 × 2,132.62
  4. Step 4: Simplify right side
    3,182.38x = 9,360,772.94
  5. Step 5: Solve for x
    x = 9,360,772.94/3,182.38
  6. Step 6: Final answer
    x = 2,941.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.