Home / 2,226.62-3,339.33-839.07

Finding the Fourth Proportional to 2,226.62, 3,339.33 and 839.07

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Solution

The fourth proportional to 2,226.62, 3,339.33 and 839.07 is: 1,258.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,226.62 : 3,339.33 = 839.07 : x
  2. Step 2: Convert to fraction form
    2,226.62/3,339.33 = 839.07/x
  3. Step 3: Cross multiply
    2,226.62x = 3,339.33 × 839.07
  4. Step 4: Simplify right side
    2,226.62x = 2,801,931.62
  5. Step 5: Solve for x
    x = 2,801,931.62/2,226.62
  6. Step 6: Final answer
    x = 1,258.38

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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.