Home / 3,789.40-5,684.66-1,323.52

Finding the Fourth Proportional to 3,789.40, 5,684.66 and 1,323.52

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Solution

The fourth proportional to 3,789.40, 5,684.66 and 1,323.52 is: 1,985.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.40 : 5,684.66 = 1,323.52 : x
  2. Step 2: Convert to fraction form
    3,789.40/5,684.66 = 1,323.52/x
  3. Step 3: Cross multiply
    3,789.40x = 5,684.66 × 1,323.52
  4. Step 4: Simplify right side
    3,789.40x = 7,523,761.20
  5. Step 5: Solve for x
    x = 7,523,761.20/3,789.40
  6. Step 6: Final answer
    x = 1,985.48

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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.