Home / 3,668.28-5,504.48-1,478.55

Finding the Fourth Proportional to 3,668.28, 5,504.48 and 1,478.55

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Solution

The fourth proportional to 3,668.28, 5,504.48 and 1,478.55 is: 2,218.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,668.28 : 5,504.48 = 1,478.55 : x
  2. Step 2: Convert to fraction form
    3,668.28/5,504.48 = 1,478.55/x
  3. Step 3: Cross multiply
    3,668.28x = 5,504.48 × 1,478.55
  4. Step 4: Simplify right side
    3,668.28x = 8,138,648.90
  5. Step 5: Solve for x
    x = 8,138,648.90/3,668.28
  6. Step 6: Final answer
    x = 2,218.66

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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.