Home / 3,831.86-5,287.79-2,342.27

Finding the Fourth Proportional to 3,831.86, 5,287.79 and 2,342.27

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Solution

The fourth proportional to 3,831.86, 5,287.79 and 2,342.27 is: 3,232.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.86 : 5,287.79 = 2,342.27 : x
  2. Step 2: Convert to fraction form
    3,831.86/5,287.79 = 2,342.27/x
  3. Step 3: Cross multiply
    3,831.86x = 5,287.79 × 2,342.27
  4. Step 4: Simplify right side
    3,831.86x = 12,385,393.73
  5. Step 5: Solve for x
    x = 12,385,393.73/3,831.86
  6. Step 6: Final answer
    x = 3,232.22

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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.