Home / 3,886.32-5,831.76-1,546.56

Finding the Fourth Proportional to 3,886.32, 5,831.76 and 1,546.56

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Solution

The fourth proportional to 3,886.32, 5,831.76 and 1,546.56 is: 2,320.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.32 : 5,831.76 = 1,546.56 : x
  2. Step 2: Convert to fraction form
    3,886.32/5,831.76 = 1,546.56/x
  3. Step 3: Cross multiply
    3,886.32x = 5,831.76 × 1,546.56
  4. Step 4: Simplify right side
    3,886.32x = 9,019,166.75
  5. Step 5: Solve for x
    x = 9,019,166.75/3,886.32
  6. Step 6: Final answer
    x = 2,320.75

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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.