Home / 2,282.18-3,149.41-1,337.78

Finding the Fourth Proportional to 2,282.18, 3,149.41 and 1,337.78

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Solution

The fourth proportional to 2,282.18, 3,149.41 and 1,337.78 is: 1,846.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,282.18 : 3,149.41 = 1,337.78 : x
  2. Step 2: Convert to fraction form
    2,282.18/3,149.41 = 1,337.78/x
  3. Step 3: Cross multiply
    2,282.18x = 3,149.41 × 1,337.78
  4. Step 4: Simplify right side
    2,282.18x = 4,213,217.71
  5. Step 5: Solve for x
    x = 4,213,217.71/2,282.18
  6. Step 6: Final answer
    x = 1,846.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.