Home / 2,217.76-3,057.20-1,824.12

Finding the Fourth Proportional to 2,217.76, 3,057.20 and 1,824.12

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Solution

The fourth proportional to 2,217.76, 3,057.20 and 1,824.12 is: 2,514.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.76 : 3,057.20 = 1,824.12 : x
  2. Step 2: Convert to fraction form
    2,217.76/3,057.20 = 1,824.12/x
  3. Step 3: Cross multiply
    2,217.76x = 3,057.20 × 1,824.12
  4. Step 4: Simplify right side
    2,217.76x = 5,576,699.66
  5. Step 5: Solve for x
    x = 5,576,699.66/2,217.76
  6. Step 6: Final answer
    x = 2,514.56

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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.