Home / 3,103.20-4,654.56-1,348.16

Finding the Fourth Proportional to 3,103.20, 4,654.56 and 1,348.16

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Solution

The fourth proportional to 3,103.20, 4,654.56 and 1,348.16 is: 2,022.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.20 : 4,654.56 = 1,348.16 : x
  2. Step 2: Convert to fraction form
    3,103.20/4,654.56 = 1,348.16/x
  3. Step 3: Cross multiply
    3,103.20x = 4,654.56 × 1,348.16
  4. Step 4: Simplify right side
    3,103.20x = 6,275,091.61
  5. Step 5: Solve for x
    x = 6,275,091.61/3,103.20
  6. Step 6: Final answer
    x = 2,022.14

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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.