Home / 3,668.28-5,475.57-3,151.60

Finding the Fourth Proportional to 3,668.28, 5,475.57 and 3,151.60

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Solution

The fourth proportional to 3,668.28, 5,475.57 and 3,151.60 is: 4,704.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.28 : 5,475.57 = 3,151.60 : x
  2. Step 2: Convert to fraction form
    3,668.28/5,475.57 = 3,151.60/x
  3. Step 3: Cross multiply
    3,668.28x = 5,475.57 × 3,151.60
  4. Step 4: Simplify right side
    3,668.28x = 17,256,806.41
  5. Step 5: Solve for x
    x = 17,256,806.41/3,668.28
  6. Step 6: Final answer
    x = 4,704.33

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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.