Home / 2,717.55-3,745.17-2,218.59

Finding the Fourth Proportional to 2,717.55, 3,745.17 and 2,218.59

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Solution

The fourth proportional to 2,717.55, 3,745.17 and 2,218.59 is: 3,057.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.55 : 3,745.17 = 2,218.59 : x
  2. Step 2: Convert to fraction form
    2,717.55/3,745.17 = 2,218.59/x
  3. Step 3: Cross multiply
    2,717.55x = 3,745.17 × 2,218.59
  4. Step 4: Simplify right side
    2,717.55x = 8,308,996.71
  5. Step 5: Solve for x
    x = 8,308,996.71/2,717.55
  6. Step 6: Final answer
    x = 3,057.53

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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.