Home / 3,385.91-5,080.08-2,459.90

Finding the Fourth Proportional to 3,385.91, 5,080.08 and 2,459.90

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Solution

The fourth proportional to 3,385.91, 5,080.08 and 2,459.90 is: 3,690.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.91 : 5,080.08 = 2,459.90 : x
  2. Step 2: Convert to fraction form
    3,385.91/5,080.08 = 2,459.90/x
  3. Step 3: Cross multiply
    3,385.91x = 5,080.08 × 2,459.90
  4. Step 4: Simplify right side
    3,385.91x = 12,496,488.79
  5. Step 5: Solve for x
    x = 12,496,488.79/3,385.91
  6. Step 6: Final answer
    x = 3,690.73

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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.