Home / 3,079.60-4,249.42-1,753.24

Finding the Fourth Proportional to 3,079.60, 4,249.42 and 1,753.24

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Solution

The fourth proportional to 3,079.60, 4,249.42 and 1,753.24 is: 2,419.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,079.60 : 4,249.42 = 1,753.24 : x
  2. Step 2: Convert to fraction form
    3,079.60/4,249.42 = 1,753.24/x
  3. Step 3: Cross multiply
    3,079.60x = 4,249.42 × 1,753.24
  4. Step 4: Simplify right side
    3,079.60x = 7,450,253.12
  5. Step 5: Solve for x
    x = 7,450,253.12/3,079.60
  6. Step 6: Final answer
    x = 2,419.23

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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.