Home / 2,254.88-3,112.56-1,324.16

Finding the Fourth Proportional to 2,254.88, 3,112.56 and 1,324.16

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Solution

The fourth proportional to 2,254.88, 3,112.56 and 1,324.16 is: 1,827.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,254.88 : 3,112.56 = 1,324.16 : x
  2. Step 2: Convert to fraction form
    2,254.88/3,112.56 = 1,324.16/x
  3. Step 3: Cross multiply
    2,254.88x = 3,112.56 × 1,324.16
  4. Step 4: Simplify right side
    2,254.88x = 4,121,527.45
  5. Step 5: Solve for x
    x = 4,121,527.45/2,254.88
  6. Step 6: Final answer
    x = 1,827.83

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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.