Home / 3,612.44-4,985.46-2,040.86

Finding the Fourth Proportional to 3,612.44, 4,985.46 and 2,040.86

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Solution

The fourth proportional to 3,612.44, 4,985.46 and 2,040.86 is: 2,816.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,612.44 : 4,985.46 = 2,040.86 : x
  2. Step 2: Convert to fraction form
    3,612.44/4,985.46 = 2,040.86/x
  3. Step 3: Cross multiply
    3,612.44x = 4,985.46 × 2,040.86
  4. Step 4: Simplify right side
    3,612.44x = 10,174,625.90
  5. Step 5: Solve for x
    x = 10,174,625.90/3,612.44
  6. Step 6: Final answer
    x = 2,816.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.