Home / 2,217.57-3,060.21-1,273.37

Finding the Fourth Proportional to 2,217.57, 3,060.21 and 1,273.37

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Solution

The fourth proportional to 2,217.57, 3,060.21 and 1,273.37 is: 1,757.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.57 : 3,060.21 = 1,273.37 : x
  2. Step 2: Convert to fraction form
    2,217.57/3,060.21 = 1,273.37/x
  3. Step 3: Cross multiply
    2,217.57x = 3,060.21 × 1,273.37
  4. Step 4: Simplify right side
    2,217.57x = 3,896,764.31
  5. Step 5: Solve for x
    x = 3,896,764.31/2,217.57
  6. Step 6: Final answer
    x = 1,757.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.