Home / 3,079.72-4,248.97-1,753.10

Finding the Fourth Proportional to 3,079.72, 4,248.97 and 1,753.10

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Solution

The fourth proportional to 3,079.72, 4,248.97 and 1,753.10 is: 2,418.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.72 : 4,248.97 = 1,753.10 : x
  2. Step 2: Convert to fraction form
    3,079.72/4,248.97 = 1,753.10/x
  3. Step 3: Cross multiply
    3,079.72x = 4,248.97 × 1,753.10
  4. Step 4: Simplify right side
    3,079.72x = 7,448,869.31
  5. Step 5: Solve for x
    x = 7,448,869.31/3,079.72
  6. Step 6: Final answer
    x = 2,418.68

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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.