Home / 2,044.64-2,819.92-1,257.92

Finding the Fourth Proportional to 2,044.64, 2,819.92 and 1,257.92

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Solution

The fourth proportional to 2,044.64, 2,819.92 and 1,257.92 is: 1,734.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,044.64 : 2,819.92 = 1,257.92 : x
  2. Step 2: Convert to fraction form
    2,044.64/2,819.92 = 1,257.92/x
  3. Step 3: Cross multiply
    2,044.64x = 2,819.92 × 1,257.92
  4. Step 4: Simplify right side
    2,044.64x = 3,547,233.77
  5. Step 5: Solve for x
    x = 3,547,233.77/2,044.64
  6. Step 6: Final answer
    x = 1,734.89

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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.