Home / 3,479.27-5,217.19-1,722.24

Finding the Fourth Proportional to 3,479.27, 5,217.19 and 1,722.24

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Solution

The fourth proportional to 3,479.27, 5,217.19 and 1,722.24 is: 2,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479.27 : 5,217.19 = 1,722.24 : x
  2. Step 2: Convert to fraction form
    3,479.27/5,217.19 = 1,722.24/x
  3. Step 3: Cross multiply
    3,479.27x = 5,217.19 × 1,722.24
  4. Step 4: Simplify right side
    3,479.27x = 8,985,253.31
  5. Step 5: Solve for x
    x = 8,985,253.31/3,479.27
  6. Step 6: Final answer
    x = 2,582.51

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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.