Home / 2,876.91-4,316.04-929.04

Finding the Fourth Proportional to 2,876.91, 4,316.04 and 929.04

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Solution

The fourth proportional to 2,876.91, 4,316.04 and 929.04 is: 1,393.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.91 : 4,316.04 = 929.04 : x
  2. Step 2: Convert to fraction form
    2,876.91/4,316.04 = 929.04/x
  3. Step 3: Cross multiply
    2,876.91x = 4,316.04 × 929.04
  4. Step 4: Simplify right side
    2,876.91x = 4,009,773.80
  5. Step 5: Solve for x
    x = 4,009,773.80/2,876.91
  6. Step 6: Final answer
    x = 1,393.78

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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.