Home / 2,283.20-3,149.68-1,967.92

Finding the Fourth Proportional to 2,283.20, 3,149.68 and 1,967.92

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Solution

The fourth proportional to 2,283.20, 3,149.68 and 1,967.92 is: 2,714.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,283.20 : 3,149.68 = 1,967.92 : x
  2. Step 2: Convert to fraction form
    2,283.20/3,149.68 = 1,967.92/x
  3. Step 3: Cross multiply
    2,283.20x = 3,149.68 × 1,967.92
  4. Step 4: Simplify right side
    2,283.20x = 6,198,318.27
  5. Step 5: Solve for x
    x = 6,198,318.27/2,283.20
  6. Step 6: Final answer
    x = 2,714.75

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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.