Home / 3,108.60-4,658.76-1,158.84

Finding the Fourth Proportional to 3,108.60, 4,658.76 and 1,158.84

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Solution

The fourth proportional to 3,108.60, 4,658.76 and 1,158.84 is: 1,736.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108.60 : 4,658.76 = 1,158.84 : x
  2. Step 2: Convert to fraction form
    3,108.60/4,658.76 = 1,158.84/x
  3. Step 3: Cross multiply
    3,108.60x = 4,658.76 × 1,158.84
  4. Step 4: Simplify right side
    3,108.60x = 5,398,757.44
  5. Step 5: Solve for x
    x = 5,398,757.44/3,108.60
  6. Step 6: Final answer
    x = 1,736.72

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1.5x scale

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.