Home / 3,838.28-5,294.66-2,266.20

Finding the Fourth Proportional to 3,838.28, 5,294.66 and 2,266.20

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Solution

The fourth proportional to 3,838.28, 5,294.66 and 2,266.20 is: 3,126.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,838.28 : 5,294.66 = 2,266.20 : x
  2. Step 2: Convert to fraction form
    3,838.28/5,294.66 = 2,266.20/x
  3. Step 3: Cross multiply
    3,838.28x = 5,294.66 × 2,266.20
  4. Step 4: Simplify right side
    3,838.28x = 11,998,758.49
  5. Step 5: Solve for x
    x = 11,998,758.49/3,838.28
  6. Step 6: Final answer
    x = 3,126.08

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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.