Home / 2,427.60-3,350.64-1,432.88

Finding the Fourth Proportional to 2,427.60, 3,350.64 and 1,432.88

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Solution

The fourth proportional to 2,427.60, 3,350.64 and 1,432.88 is: 1,977.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.60 : 3,350.64 = 1,432.88 : x
  2. Step 2: Convert to fraction form
    2,427.60/3,350.64 = 1,432.88/x
  3. Step 3: Cross multiply
    2,427.60x = 3,350.64 × 1,432.88
  4. Step 4: Simplify right side
    2,427.60x = 4,801,065.04
  5. Step 5: Solve for x
    x = 4,801,065.04/2,427.60
  6. Step 6: Final answer
    x = 1,977.70

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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.