Home / 3,127.39-4,689.24-1,179.73

Finding the Fourth Proportional to 3,127.39, 4,689.24 and 1,179.73

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Solution

The fourth proportional to 3,127.39, 4,689.24 and 1,179.73 is: 1,768.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.39 : 4,689.24 = 1,179.73 : x
  2. Step 2: Convert to fraction form
    3,127.39/4,689.24 = 1,179.73/x
  3. Step 3: Cross multiply
    3,127.39x = 4,689.24 × 1,179.73
  4. Step 4: Simplify right side
    3,127.39x = 5,532,037.11
  5. Step 5: Solve for x
    x = 5,532,037.11/3,127.39
  6. Step 6: Final answer
    x = 1,768.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.