Home / 3,504.20-5,256.30-3,479.90

Finding the Fourth Proportional to 3,504.20, 5,256.30 and 3,479.90

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Solution

The fourth proportional to 3,504.20, 5,256.30 and 3,479.90 is: 5,219.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.20 : 5,256.30 = 3,479.90 : x
  2. Step 2: Convert to fraction form
    3,504.20/5,256.30 = 3,479.90/x
  3. Step 3: Cross multiply
    3,504.20x = 5,256.30 × 3,479.90
  4. Step 4: Simplify right side
    3,504.20x = 18,291,398.37
  5. Step 5: Solve for x
    x = 18,291,398.37/3,504.20
  6. Step 6: Final answer
    x = 5,219.85

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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.