Home / 2,400.49-3,601.14-938.85

Finding the Fourth Proportional to 2,400.49, 3,601.14 and 938.85

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Solution

The fourth proportional to 2,400.49, 3,601.14 and 938.85 is: 1,408.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.49 : 3,601.14 = 938.85 : x
  2. Step 2: Convert to fraction form
    2,400.49/3,601.14 = 938.85/x
  3. Step 3: Cross multiply
    2,400.49x = 3,601.14 × 938.85
  4. Step 4: Simplify right side
    2,400.49x = 3,380,930.29
  5. Step 5: Solve for x
    x = 3,380,930.29/2,400.49
  6. Step 6: Final answer
    x = 1,408.43

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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.