Home / 2,432.30-3,358.18-1,871.78

Finding the Fourth Proportional to 2,432.30, 3,358.18 and 1,871.78

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Solution

The fourth proportional to 2,432.30, 3,358.18 and 1,871.78 is: 2,584.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,432.30 : 3,358.18 = 1,871.78 : x
  2. Step 2: Convert to fraction form
    2,432.30/3,358.18 = 1,871.78/x
  3. Step 3: Cross multiply
    2,432.30x = 3,358.18 × 1,871.78
  4. Step 4: Simplify right side
    2,432.30x = 6,285,772.30
  5. Step 5: Solve for x
    x = 6,285,772.30/2,432.30
  6. Step 6: Final answer
    x = 2,584.29

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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.