Home / 2,652.85-3,976.36-1,092.05

Finding the Fourth Proportional to 2,652.85, 3,976.36 and 1,092.05

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Solution

The fourth proportional to 2,652.85, 3,976.36 and 1,092.05 is: 1,636.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,652.85 : 3,976.36 = 1,092.05 : x
  2. Step 2: Convert to fraction form
    2,652.85/3,976.36 = 1,092.05/x
  3. Step 3: Cross multiply
    2,652.85x = 3,976.36 × 1,092.05
  4. Step 4: Simplify right side
    2,652.85x = 4,342,376.24
  5. Step 5: Solve for x
    x = 4,342,376.24/2,652.85
  6. Step 6: Final answer
    x = 1,636.87

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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.