Home / 3,924.83-5,881.57-2,189.81

Finding the Fourth Proportional to 3,924.83, 5,881.57 and 2,189.81

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Solution

The fourth proportional to 3,924.83, 5,881.57 and 2,189.81 is: 3,281.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,924.83 : 5,881.57 = 2,189.81 : x
  2. Step 2: Convert to fraction form
    3,924.83/5,881.57 = 2,189.81/x
  3. Step 3: Cross multiply
    3,924.83x = 5,881.57 × 2,189.81
  4. Step 4: Simplify right side
    3,924.83x = 12,879,520.80
  5. Step 5: Solve for x
    x = 12,879,520.80/3,924.83
  6. Step 6: Final answer
    x = 3,281.55

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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.