Home / 4,139.96-5,713.18-2,251.56

Finding the Fourth Proportional to 4,139.96, 5,713.18 and 2,251.56

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Solution

The fourth proportional to 4,139.96, 5,713.18 and 2,251.56 is: 3,107.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.96 : 5,713.18 = 2,251.56 : x
  2. Step 2: Convert to fraction form
    4,139.96/5,713.18 = 2,251.56/x
  3. Step 3: Cross multiply
    4,139.96x = 5,713.18 × 2,251.56
  4. Step 4: Simplify right side
    4,139.96x = 12,863,551.22
  5. Step 5: Solve for x
    x = 12,863,551.22/4,139.96
  6. Step 6: Final answer
    x = 3,107.17

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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.