Home / 2,462.28-3,398.15-1,400.38

Finding the Fourth Proportional to 2,462.28, 3,398.15 and 1,400.38

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Solution

The fourth proportional to 2,462.28, 3,398.15 and 1,400.38 is: 1,932.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,462.28 : 3,398.15 = 1,400.38 : x
  2. Step 2: Convert to fraction form
    2,462.28/3,398.15 = 1,400.38/x
  3. Step 3: Cross multiply
    2,462.28x = 3,398.15 × 1,400.38
  4. Step 4: Simplify right side
    2,462.28x = 4,758,704.80
  5. Step 5: Solve for x
    x = 4,758,704.80/2,462.28
  6. Step 6: Final answer
    x = 1,932.64

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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.