Home / 3,921.46-5,881.73-1,456.33

Finding the Fourth Proportional to 3,921.46, 5,881.73 and 1,456.33

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Solution

The fourth proportional to 3,921.46, 5,881.73 and 1,456.33 is: 2,184.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,921.46 : 5,881.73 = 1,456.33 : x
  2. Step 2: Convert to fraction form
    3,921.46/5,881.73 = 1,456.33/x
  3. Step 3: Cross multiply
    3,921.46x = 5,881.73 × 1,456.33
  4. Step 4: Simplify right side
    3,921.46x = 8,565,739.85
  5. Step 5: Solve for x
    x = 8,565,739.85/3,921.46
  6. Step 6: Final answer
    x = 2,184.32

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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.