Home / 2,660.03-3,983.60-2,267.78

Finding the Fourth Proportional to 2,660.03, 3,983.60 and 2,267.78

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Solution

The fourth proportional to 2,660.03, 3,983.60 and 2,267.78 is: 3,396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660.03 : 3,983.60 = 2,267.78 : x
  2. Step 2: Convert to fraction form
    2,660.03/3,983.60 = 2,267.78/x
  3. Step 3: Cross multiply
    2,660.03x = 3,983.60 × 2,267.78
  4. Step 4: Simplify right side
    2,660.03x = 9,033,897.15
  5. Step 5: Solve for x
    x = 9,033,897.15/2,660.03
  6. Step 6: Final answer
    x = 3,396.17

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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.