Home / 3,438.15-5,152.56-1,791.32

Finding the Fourth Proportional to 3,438.15, 5,152.56 and 1,791.32

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Solution

The fourth proportional to 3,438.15, 5,152.56 and 1,791.32 is: 2,684.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438.15 : 5,152.56 = 1,791.32 : x
  2. Step 2: Convert to fraction form
    3,438.15/5,152.56 = 1,791.32/x
  3. Step 3: Cross multiply
    3,438.15x = 5,152.56 × 1,791.32
  4. Step 4: Simplify right side
    3,438.15x = 9,229,861.38
  5. Step 5: Solve for x
    x = 9,229,861.38/3,438.15
  6. Step 6: Final answer
    x = 2,684.55

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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.