Home / 3,949.62-5,444.16-2,690.24

Finding the Fourth Proportional to 3,949.62, 5,444.16 and 2,690.24

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Solution

The fourth proportional to 3,949.62, 5,444.16 and 2,690.24 is: 3,708.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.62 : 5,444.16 = 2,690.24 : x
  2. Step 2: Convert to fraction form
    3,949.62/5,444.16 = 2,690.24/x
  3. Step 3: Cross multiply
    3,949.62x = 5,444.16 × 2,690.24
  4. Step 4: Simplify right side
    3,949.62x = 14,646,097.00
  5. Step 5: Solve for x
    x = 14,646,097.00/3,949.62
  6. Step 6: Final answer
    x = 3,708.23

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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.