Home / 4,229.60-6,340.56-1,631.84

Finding the Fourth Proportional to 4,229.60, 6,340.56 and 1,631.84

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Solution

The fourth proportional to 4,229.60, 6,340.56 and 1,631.84 is: 2,446.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,229.60 : 6,340.56 = 1,631.84 : x
  2. Step 2: Convert to fraction form
    4,229.60/6,340.56 = 1,631.84/x
  3. Step 3: Cross multiply
    4,229.60x = 6,340.56 × 1,631.84
  4. Step 4: Simplify right side
    4,229.60x = 10,346,779.43
  5. Step 5: Solve for x
    x = 10,346,779.43/4,229.60
  6. Step 6: Final answer
    x = 2,446.28

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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.