Home / 2,217.22-3,059.68-1,273.16

Finding the Fourth Proportional to 2,217.22, 3,059.68 and 1,273.16

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Solution

The fourth proportional to 2,217.22, 3,059.68 and 1,273.16 is: 1,756.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.22 : 3,059.68 = 1,273.16 : x
  2. Step 2: Convert to fraction form
    2,217.22/3,059.68 = 1,273.16/x
  3. Step 3: Cross multiply
    2,217.22x = 3,059.68 × 1,273.16
  4. Step 4: Simplify right side
    2,217.22x = 3,895,462.19
  5. Step 5: Solve for x
    x = 3,895,462.19/2,217.22
  6. Step 6: Final answer
    x = 1,756.91

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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.