Home / 2,616.24-3,922.74-1,382.88

Finding the Fourth Proportional to 2,616.24, 3,922.74 and 1,382.88

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Solution

The fourth proportional to 2,616.24, 3,922.74 and 1,382.88 is: 2,073.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616.24 : 3,922.74 = 1,382.88 : x
  2. Step 2: Convert to fraction form
    2,616.24/3,922.74 = 1,382.88/x
  3. Step 3: Cross multiply
    2,616.24x = 3,922.74 × 1,382.88
  4. Step 4: Simplify right side
    2,616.24x = 5,424,678.69
  5. Step 5: Solve for x
    x = 5,424,678.69/2,616.24
  6. Step 6: Final answer
    x = 2,073.46

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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.