Home / 1,587.12-2,380.10-546.83

Finding the Fourth Proportional to 1,587.12, 2,380.10 and 546.83

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Solution

The fourth proportional to 1,587.12, 2,380.10 and 546.83 is: 820.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587.12 : 2,380.10 = 546.83 : x
  2. Step 2: Convert to fraction form
    1,587.12/2,380.10 = 546.83/x
  3. Step 3: Cross multiply
    1,587.12x = 2,380.10 × 546.83
  4. Step 4: Simplify right side
    1,587.12x = 1,301,495.45
  5. Step 5: Solve for x
    x = 1,301,495.45/1,587.12
  6. Step 6: Final answer
    x = 820.04

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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.