Home / 3,831.12-5,285.16-2,414.16

Finding the Fourth Proportional to 3,831.12, 5,285.16 and 2,414.16

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Solution

The fourth proportional to 3,831.12, 5,285.16 and 2,414.16 is: 3,330.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.12 : 5,285.16 = 2,414.16 : x
  2. Step 2: Convert to fraction form
    3,831.12/5,285.16 = 2,414.16/x
  3. Step 3: Cross multiply
    3,831.12x = 5,285.16 × 2,414.16
  4. Step 4: Simplify right side
    3,831.12x = 12,759,221.87
  5. Step 5: Solve for x
    x = 12,759,221.87/3,831.12
  6. Step 6: Final answer
    x = 3,330.42

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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.