Home / 3,860.92-5,326.41-2,288.17

Finding the Fourth Proportional to 3,860.92, 5,326.41 and 2,288.17

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Solution

The fourth proportional to 3,860.92, 5,326.41 and 2,288.17 is: 3,156.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.92 : 5,326.41 = 2,288.17 : x
  2. Step 2: Convert to fraction form
    3,860.92/5,326.41 = 2,288.17/x
  3. Step 3: Cross multiply
    3,860.92x = 5,326.41 × 2,288.17
  4. Step 4: Simplify right side
    3,860.92x = 12,187,731.57
  5. Step 5: Solve for x
    x = 12,187,731.57/3,860.92
  6. Step 6: Final answer
    x = 3,156.69

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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.