Home / 3,512.54-5,268.85-1,432.13

Finding the Fourth Proportional to 3,512.54, 5,268.85 and 1,432.13

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Solution

The fourth proportional to 3,512.54, 5,268.85 and 1,432.13 is: 2,148.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,512.54 : 5,268.85 = 1,432.13 : x
  2. Step 2: Convert to fraction form
    3,512.54/5,268.85 = 1,432.13/x
  3. Step 3: Cross multiply
    3,512.54x = 5,268.85 × 1,432.13
  4. Step 4: Simplify right side
    3,512.54x = 7,545,678.15
  5. Step 5: Solve for x
    x = 7,545,678.15/3,512.54
  6. Step 6: Final answer
    x = 2,148.21

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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.