Home / 2,229.40-3,330.92-2,152.84

Finding the Fourth Proportional to 2,229.40, 3,330.92 and 2,152.84

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Solution

The fourth proportional to 2,229.40, 3,330.92 and 2,152.84 is: 3,216.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,229.40 : 3,330.92 = 2,152.84 : x
  2. Step 2: Convert to fraction form
    2,229.40/3,330.92 = 2,152.84/x
  3. Step 3: Cross multiply
    2,229.40x = 3,330.92 × 2,152.84
  4. Step 4: Simplify right side
    2,229.40x = 7,170,937.81
  5. Step 5: Solve for x
    x = 7,170,937.81/2,229.40
  6. Step 6: Final answer
    x = 3,216.53

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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.