Home / 3,934.76-5,895.86-2,178.22

Finding the Fourth Proportional to 3,934.76, 5,895.86 and 2,178.22

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Solution

The fourth proportional to 3,934.76, 5,895.86 and 2,178.22 is: 3,263.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,934.76 : 5,895.86 = 2,178.22 : x
  2. Step 2: Convert to fraction form
    3,934.76/5,895.86 = 2,178.22/x
  3. Step 3: Cross multiply
    3,934.76x = 5,895.86 × 2,178.22
  4. Step 4: Simplify right side
    3,934.76x = 12,842,480.17
  5. Step 5: Solve for x
    x = 12,842,480.17/3,934.76
  6. Step 6: Final answer
    x = 3,263.85

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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.