Home / 2,921.67-4,380.57-1,360.85

Finding the Fourth Proportional to 2,921.67, 4,380.57 and 1,360.85

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Solution

The fourth proportional to 2,921.67, 4,380.57 and 1,360.85 is: 2,040.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921.67 : 4,380.57 = 1,360.85 : x
  2. Step 2: Convert to fraction form
    2,921.67/4,380.57 = 1,360.85/x
  3. Step 3: Cross multiply
    2,921.67x = 4,380.57 × 1,360.85
  4. Step 4: Simplify right side
    2,921.67x = 5,961,276.78
  5. Step 5: Solve for x
    x = 5,961,276.78/2,921.67
  6. Step 6: Final answer
    x = 2,040.37

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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.