Home / 2,543.92-3,813.36-1,432.04

Finding the Fourth Proportional to 2,543.92, 3,813.36 and 1,432.04

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Solution

The fourth proportional to 2,543.92, 3,813.36 and 1,432.04 is: 2,146.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,543.92 : 3,813.36 = 1,432.04 : x
  2. Step 2: Convert to fraction form
    2,543.92/3,813.36 = 1,432.04/x
  3. Step 3: Cross multiply
    2,543.92x = 3,813.36 × 1,432.04
  4. Step 4: Simplify right side
    2,543.92x = 5,460,884.05
  5. Step 5: Solve for x
    x = 5,460,884.05/2,543.92
  6. Step 6: Final answer
    x = 2,146.64

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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.