Home / 3,933.40-5,900.10-1,159.86

Finding the Fourth Proportional to 3,933.40, 5,900.10 and 1,159.86

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Solution

The fourth proportional to 3,933.40, 5,900.10 and 1,159.86 is: 1,739.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.40 : 5,900.10 = 1,159.86 : x
  2. Step 2: Convert to fraction form
    3,933.40/5,900.10 = 1,159.86/x
  3. Step 3: Cross multiply
    3,933.40x = 5,900.10 × 1,159.86
  4. Step 4: Simplify right side
    3,933.40x = 6,843,264.70
  5. Step 5: Solve for x
    x = 6,843,264.70/3,933.40
  6. Step 6: Final answer
    x = 1,739.78

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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.