Home / 3,209.40-4,427.55-2,266.56

Finding the Fourth Proportional to 3,209.40, 4,427.55 and 2,266.56

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Solution

The fourth proportional to 3,209.40, 4,427.55 and 2,266.56 is: 3,126.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.40 : 4,427.55 = 2,266.56 : x
  2. Step 2: Convert to fraction form
    3,209.40/4,427.55 = 2,266.56/x
  3. Step 3: Cross multiply
    3,209.40x = 4,427.55 × 2,266.56
  4. Step 4: Simplify right side
    3,209.40x = 10,035,307.73
  5. Step 5: Solve for x
    x = 10,035,307.73/3,209.40
  6. Step 6: Final answer
    x = 3,126.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.