Home / 2,217.65-3,060.64-1,273.60

Finding the Fourth Proportional to 2,217.65, 3,060.64 and 1,273.60

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Solution

The fourth proportional to 2,217.65, 3,060.64 and 1,273.60 is: 1,757.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.65 : 3,060.64 = 1,273.60 : x
  2. Step 2: Convert to fraction form
    2,217.65/3,060.64 = 1,273.60/x
  3. Step 3: Cross multiply
    2,217.65x = 3,060.64 × 1,273.60
  4. Step 4: Simplify right side
    2,217.65x = 3,898,031.10
  5. Step 5: Solve for x
    x = 3,898,031.10/2,217.65
  6. Step 6: Final answer
    x = 1,757.73

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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.