Home / 2,448.38-3,379.22-1,400.45

Finding the Fourth Proportional to 2,448.38, 3,379.22 and 1,400.45

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Solution

The fourth proportional to 2,448.38, 3,379.22 and 1,400.45 is: 1,932.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,448.38 : 3,379.22 = 1,400.45 : x
  2. Step 2: Convert to fraction form
    2,448.38/3,379.22 = 1,400.45/x
  3. Step 3: Cross multiply
    2,448.38x = 3,379.22 × 1,400.45
  4. Step 4: Simplify right side
    2,448.38x = 4,732,404.75
  5. Step 5: Solve for x
    x = 4,732,404.75/2,448.38
  6. Step 6: Final answer
    x = 1,932.88

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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.