Home / 3,158.98-4,359.84-2,277.70

Finding the Fourth Proportional to 3,158.98, 4,359.84 and 2,277.70

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Solution

The fourth proportional to 3,158.98, 4,359.84 and 2,277.70 is: 3,143.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.98 : 4,359.84 = 2,277.70 : x
  2. Step 2: Convert to fraction form
    3,158.98/4,359.84 = 2,277.70/x
  3. Step 3: Cross multiply
    3,158.98x = 4,359.84 × 2,277.70
  4. Step 4: Simplify right side
    3,158.98x = 9,930,407.57
  5. Step 5: Solve for x
    x = 9,930,407.57/3,158.98
  6. Step 6: Final answer
    x = 3,143.55

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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.