Home / 2,891.28-4,337.52-1,160.04

Finding the Fourth Proportional to 2,891.28, 4,337.52 and 1,160.04

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Solution

The fourth proportional to 2,891.28, 4,337.52 and 1,160.04 is: 1,740.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.28 : 4,337.52 = 1,160.04 : x
  2. Step 2: Convert to fraction form
    2,891.28/4,337.52 = 1,160.04/x
  3. Step 3: Cross multiply
    2,891.28x = 4,337.52 × 1,160.04
  4. Step 4: Simplify right side
    2,891.28x = 5,031,696.70
  5. Step 5: Solve for x
    x = 5,031,696.70/2,891.28
  6. Step 6: Final answer
    x = 1,740.30

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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.