Home / 2,819.38-4,229.50-2,045.23

Finding the Fourth Proportional to 2,819.38, 4,229.50 and 2,045.23

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Solution

The fourth proportional to 2,819.38, 4,229.50 and 2,045.23 is: 3,068.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819.38 : 4,229.50 = 2,045.23 : x
  2. Step 2: Convert to fraction form
    2,819.38/4,229.50 = 2,045.23/x
  3. Step 3: Cross multiply
    2,819.38x = 4,229.50 × 2,045.23
  4. Step 4: Simplify right side
    2,819.38x = 8,650,300.29
  5. Step 5: Solve for x
    x = 8,650,300.29/2,819.38
  6. Step 6: Final answer
    x = 3,068.16

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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.