Home / 2,232.24-3,330.24-2,111.28

Finding the Fourth Proportional to 2,232.24, 3,330.24 and 2,111.28

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Solution

The fourth proportional to 2,232.24, 3,330.24 and 2,111.28 is: 3,149.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,232.24 : 3,330.24 = 2,111.28 : x
  2. Step 2: Convert to fraction form
    2,232.24/3,330.24 = 2,111.28/x
  3. Step 3: Cross multiply
    2,232.24x = 3,330.24 × 2,111.28
  4. Step 4: Simplify right side
    2,232.24x = 7,031,069.11
  5. Step 5: Solve for x
    x = 7,031,069.11/2,232.24
  6. Step 6: Final answer
    x = 3,149.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.