Home / 2,882.05-4,320.74-2,651.40

Finding the Fourth Proportional to 2,882.05, 4,320.74 and 2,651.40

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Solution

The fourth proportional to 2,882.05, 4,320.74 and 2,651.40 is: 3,974.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,882.05 : 4,320.74 = 2,651.40 : x
  2. Step 2: Convert to fraction form
    2,882.05/4,320.74 = 2,651.40/x
  3. Step 3: Cross multiply
    2,882.05x = 4,320.74 × 2,651.40
  4. Step 4: Simplify right side
    2,882.05x = 11,456,016.66
  5. Step 5: Solve for x
    x = 11,456,016.66/2,882.05
  6. Step 6: Final answer
    x = 3,974.96

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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.