Home / 2,456.12-3,680.24-1,222.29

Finding the Fourth Proportional to 2,456.12, 3,680.24 and 1,222.29

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Solution

The fourth proportional to 2,456.12, 3,680.24 and 1,222.29 is: 1,831.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,456.12 : 3,680.24 = 1,222.29 : x
  2. Step 2: Convert to fraction form
    2,456.12/3,680.24 = 1,222.29/x
  3. Step 3: Cross multiply
    2,456.12x = 3,680.24 × 1,222.29
  4. Step 4: Simplify right side
    2,456.12x = 4,498,314.44
  5. Step 5: Solve for x
    x = 4,498,314.44/2,456.12
  6. Step 6: Final answer
    x = 1,831.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.