Home / 2,891.20-4,336.38-1,042.03

Finding the Fourth Proportional to 2,891.20, 4,336.38 and 1,042.03

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Solution

The fourth proportional to 2,891.20, 4,336.38 and 1,042.03 is: 1,562.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,891.20 : 4,336.38 = 1,042.03 : x
  2. Step 2: Convert to fraction form
    2,891.20/4,336.38 = 1,042.03/x
  3. Step 3: Cross multiply
    2,891.20x = 4,336.38 × 1,042.03
  4. Step 4: Simplify right side
    2,891.20x = 4,518,638.05
  5. Step 5: Solve for x
    x = 4,518,638.05/2,891.20
  6. Step 6: Final answer
    x = 1,562.89

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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.