Home / 3,567.28-5,351.76-2,107.60

Finding the Fourth Proportional to 3,567.28, 5,351.76 and 2,107.60

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Solution

The fourth proportional to 3,567.28, 5,351.76 and 2,107.60 is: 3,161.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,567.28 : 5,351.76 = 2,107.60 : x
  2. Step 2: Convert to fraction form
    3,567.28/5,351.76 = 2,107.60/x
  3. Step 3: Cross multiply
    3,567.28x = 5,351.76 × 2,107.60
  4. Step 4: Simplify right side
    3,567.28x = 11,279,369.38
  5. Step 5: Solve for x
    x = 11,279,369.38/3,567.28
  6. Step 6: Final answer
    x = 3,161.90

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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.