Home / 3,999.24-5,998.50-1,077.30

Finding the Fourth Proportional to 3,999.24, 5,998.50 and 1,077.30

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Solution

The fourth proportional to 3,999.24, 5,998.50 and 1,077.30 is: 1,615.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.24 : 5,998.50 = 1,077.30 : x
  2. Step 2: Convert to fraction form
    3,999.24/5,998.50 = 1,077.30/x
  3. Step 3: Cross multiply
    3,999.24x = 5,998.50 × 1,077.30
  4. Step 4: Simplify right side
    3,999.24x = 6,462,184.05
  5. Step 5: Solve for x
    x = 6,462,184.05/3,999.24
  6. Step 6: Final answer
    x = 1,615.85

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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.