Home / 2,202.29-3,307.55-1,938.84

Finding the Fourth Proportional to 2,202.29, 3,307.55 and 1,938.84

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Solution

The fourth proportional to 2,202.29, 3,307.55 and 1,938.84 is: 2,911.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.29 : 3,307.55 = 1,938.84 : x
  2. Step 2: Convert to fraction form
    2,202.29/3,307.55 = 1,938.84/x
  3. Step 3: Cross multiply
    2,202.29x = 3,307.55 × 1,938.84
  4. Step 4: Simplify right side
    2,202.29x = 6,412,801.97
  5. Step 5: Solve for x
    x = 6,412,801.97/2,202.29
  6. Step 6: Final answer
    x = 2,911.88

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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.