Home / 1,775.03-2,660.11-1,126.22

Finding the Fourth Proportional to 1,775.03, 2,660.11 and 1,126.22

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Solution

The fourth proportional to 1,775.03, 2,660.11 and 1,126.22 is: 1,687.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775.03 : 2,660.11 = 1,126.22 : x
  2. Step 2: Convert to fraction form
    1,775.03/2,660.11 = 1,126.22/x
  3. Step 3: Cross multiply
    1,775.03x = 2,660.11 × 1,126.22
  4. Step 4: Simplify right side
    1,775.03x = 2,995,852.97
  5. Step 5: Solve for x
    x = 2,995,852.97/1,775.03
  6. Step 6: Final answer
    x = 1,687.78

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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.