Home / 3,993.24-5,985-1,801.38

Finding the Fourth Proportional to 3,993.24, 5,985 and 1,801.38

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Solution

The fourth proportional to 3,993.24, 5,985 and 1,801.38 is: 2,699.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,993.24 : 5,985 = 1,801.38 : x
  2. Step 2: Convert to fraction form
    3,993.24/5,985 = 1,801.38/x
  3. Step 3: Cross multiply
    3,993.24x = 5,985 × 1,801.38
  4. Step 4: Simplify right side
    3,993.24x = 10,781,259.30
  5. Step 5: Solve for x
    x = 10,781,259.30/3,993.24
  6. Step 6: Final answer
    x = 2,699.88

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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.