Home / 3,617.31-4,989.15-2,625.87

Finding the Fourth Proportional to 3,617.31, 4,989.15 and 2,625.87

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Solution

The fourth proportional to 3,617.31, 4,989.15 and 2,625.87 is: 3,621.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,617.31 : 4,989.15 = 2,625.87 : x
  2. Step 2: Convert to fraction form
    3,617.31/4,989.15 = 2,625.87/x
  3. Step 3: Cross multiply
    3,617.31x = 4,989.15 × 2,625.87
  4. Step 4: Simplify right side
    3,617.31x = 13,100,859.31
  5. Step 5: Solve for x
    x = 13,100,859.31/3,617.31
  6. Step 6: Final answer
    x = 3,621.71

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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.