Home / 3,432.78-5,141.07-2,697.30

Finding the Fourth Proportional to 3,432.78, 5,141.07 and 2,697.30

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Solution

The fourth proportional to 3,432.78, 5,141.07 and 2,697.30 is: 4,039.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.78 : 5,141.07 = 2,697.30 : x
  2. Step 2: Convert to fraction form
    3,432.78/5,141.07 = 2,697.30/x
  3. Step 3: Cross multiply
    3,432.78x = 5,141.07 × 2,697.30
  4. Step 4: Simplify right side
    3,432.78x = 13,867,008.11
  5. Step 5: Solve for x
    x = 13,867,008.11/3,432.78
  6. Step 6: Final answer
    x = 4,039.59

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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.