Home / 2,651.44-3,981.66-2,212.24

Finding the Fourth Proportional to 2,651.44, 3,981.66 and 2,212.24

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Solution

The fourth proportional to 2,651.44, 3,981.66 and 2,212.24 is: 3,322.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.44 : 3,981.66 = 2,212.24 : x
  2. Step 2: Convert to fraction form
    2,651.44/3,981.66 = 2,212.24/x
  3. Step 3: Cross multiply
    2,651.44x = 3,981.66 × 2,212.24
  4. Step 4: Simplify right side
    2,651.44x = 8,808,387.52
  5. Step 5: Solve for x
    x = 8,808,387.52/2,651.44
  6. Step 6: Final answer
    x = 3,322.11

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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.