Home / 4,122.91-5,690.24-3,245.32

Finding the Fourth Proportional to 4,122.91, 5,690.24 and 3,245.32

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Solution

The fourth proportional to 4,122.91, 5,690.24 and 3,245.32 is: 4,479.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.91 : 5,690.24 = 3,245.32 : x
  2. Step 2: Convert to fraction form
    4,122.91/5,690.24 = 3,245.32/x
  3. Step 3: Cross multiply
    4,122.91x = 5,690.24 × 3,245.32
  4. Step 4: Simplify right side
    4,122.91x = 18,466,649.68
  5. Step 5: Solve for x
    x = 18,466,649.68/4,122.91
  6. Step 6: Final answer
    x = 4,479.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.