Home / 3,905.85-5,859.72-1,132.46

Finding the Fourth Proportional to 3,905.85, 5,859.72 and 1,132.46

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Solution

The fourth proportional to 3,905.85, 5,859.72 and 1,132.46 is: 1,698.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905.85 : 5,859.72 = 1,132.46 : x
  2. Step 2: Convert to fraction form
    3,905.85/5,859.72 = 1,132.46/x
  3. Step 3: Cross multiply
    3,905.85x = 5,859.72 × 1,132.46
  4. Step 4: Simplify right side
    3,905.85x = 6,635,871.52
  5. Step 5: Solve for x
    x = 6,635,871.52/3,905.85
  6. Step 6: Final answer
    x = 1,698.96

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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.