Home / 2,217.15-3,059.95-1,273.09

Finding the Fourth Proportional to 2,217.15, 3,059.95 and 1,273.09

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Solution

The fourth proportional to 2,217.15, 3,059.95 and 1,273.09 is: 1,757.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.15 : 3,059.95 = 1,273.09 : x
  2. Step 2: Convert to fraction form
    2,217.15/3,059.95 = 1,273.09/x
  3. Step 3: Cross multiply
    2,217.15x = 3,059.95 × 1,273.09
  4. Step 4: Simplify right side
    2,217.15x = 3,895,591.75
  5. Step 5: Solve for x
    x = 3,895,591.75/2,217.15
  6. Step 6: Final answer
    x = 1,757.03

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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.