Home / 3,108.02-4,659.12-1,158.75

Finding the Fourth Proportional to 3,108.02, 4,659.12 and 1,158.75

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Solution

The fourth proportional to 3,108.02, 4,659.12 and 1,158.75 is: 1,737.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.02 : 4,659.12 = 1,158.75 : x
  2. Step 2: Convert to fraction form
    3,108.02/4,659.12 = 1,158.75/x
  3. Step 3: Cross multiply
    3,108.02x = 4,659.12 × 1,158.75
  4. Step 4: Simplify right side
    3,108.02x = 5,398,755.30
  5. Step 5: Solve for x
    x = 5,398,755.30/3,108.02
  6. Step 6: Final answer
    x = 1,737.04

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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.