Home / 4,138.30-5,710.88-2,249.90

Finding the Fourth Proportional to 4,138.30, 5,710.88 and 2,249.90

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Solution

The fourth proportional to 4,138.30, 5,710.88 and 2,249.90 is: 3,104.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,138.30 : 5,710.88 = 2,249.90 : x
  2. Step 2: Convert to fraction form
    4,138.30/5,710.88 = 2,249.90/x
  3. Step 3: Cross multiply
    4,138.30x = 5,710.88 × 2,249.90
  4. Step 4: Simplify right side
    4,138.30x = 12,848,908.91
  5. Step 5: Solve for x
    x = 12,848,908.91/4,138.30
  6. Step 6: Final answer
    x = 3,104.88

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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.