Home / 3,920.18-5,881.80-1,727.37

Finding the Fourth Proportional to 3,920.18, 5,881.80 and 1,727.37

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Solution

The fourth proportional to 3,920.18, 5,881.80 and 1,727.37 is: 2,591.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920.18 : 5,881.80 = 1,727.37 : x
  2. Step 2: Convert to fraction form
    3,920.18/5,881.80 = 1,727.37/x
  3. Step 3: Cross multiply
    3,920.18x = 5,881.80 × 1,727.37
  4. Step 4: Simplify right side
    3,920.18x = 10,160,029.29
  5. Step 5: Solve for x
    x = 10,160,029.29/3,920.18
  6. Step 6: Final answer
    x = 2,591.72

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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.