Home / 2,218.54-3,061.48-1,273.66

Finding the Fourth Proportional to 2,218.54, 3,061.48 and 1,273.66

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Solution

The fourth proportional to 2,218.54, 3,061.48 and 1,273.66 is: 1,757.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,218.54 : 3,061.48 = 1,273.66 : x
  2. Step 2: Convert to fraction form
    2,218.54/3,061.48 = 1,273.66/x
  3. Step 3: Cross multiply
    2,218.54x = 3,061.48 × 1,273.66
  4. Step 4: Simplify right side
    2,218.54x = 3,899,289.09
  5. Step 5: Solve for x
    x = 3,899,289.09/2,218.54
  6. Step 6: Final answer
    x = 1,757.60

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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.