Home / 3,910.98-5,866.38-1,445.52

Finding the Fourth Proportional to 3,910.98, 5,866.38 and 1,445.52

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Solution

The fourth proportional to 3,910.98, 5,866.38 and 1,445.52 is: 2,168.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,910.98 : 5,866.38 = 1,445.52 : x
  2. Step 2: Convert to fraction form
    3,910.98/5,866.38 = 1,445.52/x
  3. Step 3: Cross multiply
    3,910.98x = 5,866.38 × 1,445.52
  4. Step 4: Simplify right side
    3,910.98x = 8,479,969.62
  5. Step 5: Solve for x
    x = 8,479,969.62/3,910.98
  6. Step 6: Final answer
    x = 2,168.25

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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.