Home / 2,104.94-3,158.13-935.76

Finding the Fourth Proportional to 2,104.94, 3,158.13 and 935.76

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Solution

The fourth proportional to 2,104.94, 3,158.13 and 935.76 is: 1,403.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.94 : 3,158.13 = 935.76 : x
  2. Step 2: Convert to fraction form
    2,104.94/3,158.13 = 935.76/x
  3. Step 3: Cross multiply
    2,104.94x = 3,158.13 × 935.76
  4. Step 4: Simplify right side
    2,104.94x = 2,955,252.38
  5. Step 5: Solve for x
    x = 2,955,252.38/2,104.94
  6. Step 6: Final answer
    x = 1,403.96

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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.