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Finding the Fourth Proportional to 2,339.92, 3,223.65 and 1,938.97

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Solution

The fourth proportional to 2,339.92, 3,223.65 and 1,938.97 is: 2,671.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.92 : 3,223.65 = 1,938.97 : x
  2. Step 2: Convert to fraction form
    2,339.92/3,223.65 = 1,938.97/x
  3. Step 3: Cross multiply
    2,339.92x = 3,223.65 × 1,938.97
  4. Step 4: Simplify right side
    2,339.92x = 6,250,560.64
  5. Step 5: Solve for x
    x = 6,250,560.64/2,339.92
  6. Step 6: Final answer
    x = 2,671.27

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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.