Home / 3,831.35-5,287.11-2,341.76

Finding the Fourth Proportional to 3,831.35, 5,287.11 and 2,341.76

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Solution

The fourth proportional to 3,831.35, 5,287.11 and 2,341.76 is: 3,231.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831.35 : 5,287.11 = 2,341.76 : x
  2. Step 2: Convert to fraction form
    3,831.35/5,287.11 = 2,341.76/x
  3. Step 3: Cross multiply
    3,831.35x = 5,287.11 × 2,341.76
  4. Step 4: Simplify right side
    3,831.35x = 12,381,107.50
  5. Step 5: Solve for x
    x = 12,381,107.50/3,831.35
  6. Step 6: Final answer
    x = 3,231.53

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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.