Home / 2,042.72-2,819.04-1,344.80

Finding the Fourth Proportional to 2,042.72, 2,819.04 and 1,344.80

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Solution

The fourth proportional to 2,042.72, 2,819.04 and 1,344.80 is: 1,855.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,042.72 : 2,819.04 = 1,344.80 : x
  2. Step 2: Convert to fraction form
    2,042.72/2,819.04 = 1,344.80/x
  3. Step 3: Cross multiply
    2,042.72x = 2,819.04 × 1,344.80
  4. Step 4: Simplify right side
    2,042.72x = 3,791,044.99
  5. Step 5: Solve for x
    x = 3,791,044.99/2,042.72
  6. Step 6: Final answer
    x = 1,855.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.