Home / 2,151.40-3,227.10-2,029.90

Finding the Fourth Proportional to 2,151.40, 3,227.10 and 2,029.90

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Solution

The fourth proportional to 2,151.40, 3,227.10 and 2,029.90 is: 3,044.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,151.40 : 3,227.10 = 2,029.90 : x
  2. Step 2: Convert to fraction form
    2,151.40/3,227.10 = 2,029.90/x
  3. Step 3: Cross multiply
    2,151.40x = 3,227.10 × 2,029.90
  4. Step 4: Simplify right side
    2,151.40x = 6,550,690.29
  5. Step 5: Solve for x
    x = 6,550,690.29/2,151.40
  6. Step 6: Final answer
    x = 3,044.85

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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.