Home / 2,819.17-4,230.51-1,358.47

Finding the Fourth Proportional to 2,819.17, 4,230.51 and 1,358.47

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Solution

The fourth proportional to 2,819.17, 4,230.51 and 1,358.47 is: 2,038.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.17 : 4,230.51 = 1,358.47 : x
  2. Step 2: Convert to fraction form
    2,819.17/4,230.51 = 1,358.47/x
  3. Step 3: Cross multiply
    2,819.17x = 4,230.51 × 1,358.47
  4. Step 4: Simplify right side
    2,819.17x = 5,747,020.92
  5. Step 5: Solve for x
    x = 5,747,020.92/2,819.17
  6. Step 6: Final answer
    x = 2,038.55

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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.