Home / 1,423.12-2,134.60-546.04

Finding the Fourth Proportional to 1,423.12, 2,134.60 and 546.04

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Solution

The fourth proportional to 1,423.12, 2,134.60 and 546.04 is: 819.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423.12 : 2,134.60 = 546.04 : x
  2. Step 2: Convert to fraction form
    1,423.12/2,134.60 = 546.04/x
  3. Step 3: Cross multiply
    1,423.12x = 2,134.60 × 546.04
  4. Step 4: Simplify right side
    1,423.12x = 1,165,575.62
  5. Step 5: Solve for x
    x = 1,165,575.62/1,423.12
  6. Step 6: Final answer
    x = 819.03

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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.