Home / 2,639.24-3,949.68-1,598.66

Finding the Fourth Proportional to 2,639.24, 3,949.68 and 1,598.66

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Solution

The fourth proportional to 2,639.24, 3,949.68 and 1,598.66 is: 2,392.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,639.24 : 3,949.68 = 1,598.66 : x
  2. Step 2: Convert to fraction form
    2,639.24/3,949.68 = 1,598.66/x
  3. Step 3: Cross multiply
    2,639.24x = 3,949.68 × 1,598.66
  4. Step 4: Simplify right side
    2,639.24x = 6,314,195.43
  5. Step 5: Solve for x
    x = 6,314,195.43/2,639.24
  6. Step 6: Final answer
    x = 2,392.43

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1.5x scale

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.