Home / 2,617.80-3,607.38-2,449.32

Finding the Fourth Proportional to 2,617.80, 3,607.38 and 2,449.32

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Solution

The fourth proportional to 2,617.80, 3,607.38 and 2,449.32 is: 3,375.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.80 : 3,607.38 = 2,449.32 : x
  2. Step 2: Convert to fraction form
    2,617.80/3,607.38 = 2,449.32/x
  3. Step 3: Cross multiply
    2,617.80x = 3,607.38 × 2,449.32
  4. Step 4: Simplify right side
    2,617.80x = 8,835,627.98
  5. Step 5: Solve for x
    x = 8,835,627.98/2,617.80
  6. Step 6: Final answer
    x = 3,375.21

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1.5x scale

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.