Home / 1,654.20-2,483.88-1,425.66

Finding the Fourth Proportional to 1,654.20, 2,483.88 and 1,425.66

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Solution

The fourth proportional to 1,654.20, 2,483.88 and 1,425.66 is: 2,140.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.20 : 2,483.88 = 1,425.66 : x
  2. Step 2: Convert to fraction form
    1,654.20/2,483.88 = 1,425.66/x
  3. Step 3: Cross multiply
    1,654.20x = 2,483.88 × 1,425.66
  4. Step 4: Simplify right side
    1,654.20x = 3,541,168.36
  5. Step 5: Solve for x
    x = 3,541,168.36/1,654.20
  6. Step 6: Final answer
    x = 2,140.71

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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.