Home / 3,668.28-5,475.72-3,397.56

Finding the Fourth Proportional to 3,668.28, 5,475.72 and 3,397.56

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Solution

The fourth proportional to 3,668.28, 5,475.72 and 3,397.56 is: 5,071.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.28 : 5,475.72 = 3,397.56 : x
  2. Step 2: Convert to fraction form
    3,668.28/5,475.72 = 3,397.56/x
  3. Step 3: Cross multiply
    3,668.28x = 5,475.72 × 3,397.56
  4. Step 4: Simplify right side
    3,668.28x = 18,604,087.24
  5. Step 5: Solve for x
    x = 18,604,087.24/3,668.28
  6. Step 6: Final answer
    x = 5,071.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.