Home / 1,654.20-2,481.29-558.40

Finding the Fourth Proportional to 1,654.20, 2,481.29 and 558.40

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Solution

The fourth proportional to 1,654.20, 2,481.29 and 558.40 is: 837.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.20 : 2,481.29 = 558.40 : x
  2. Step 2: Convert to fraction form
    1,654.20/2,481.29 = 558.40/x
  3. Step 3: Cross multiply
    1,654.20x = 2,481.29 × 558.40
  4. Step 4: Simplify right side
    1,654.20x = 1,385,552.34
  5. Step 5: Solve for x
    x = 1,385,552.34/1,654.20
  6. Step 6: Final answer
    x = 837.60

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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.