Home / 3,778.27-5,668.23-1,585.75

Finding the Fourth Proportional to 3,778.27, 5,668.23 and 1,585.75

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Solution

The fourth proportional to 3,778.27, 5,668.23 and 1,585.75 is: 2,378.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,778.27 : 5,668.23 = 1,585.75 : x
  2. Step 2: Convert to fraction form
    3,778.27/5,668.23 = 1,585.75/x
  3. Step 3: Cross multiply
    3,778.27x = 5,668.23 × 1,585.75
  4. Step 4: Simplify right side
    3,778.27x = 8,988,395.72
  5. Step 5: Solve for x
    x = 8,988,395.72/3,778.27
  6. Step 6: Final answer
    x = 2,378.97

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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.