Home / 3,488.20-5,232.30-3,207.40

Finding the Fourth Proportional to 3,488.20, 5,232.30 and 3,207.40

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Solution

The fourth proportional to 3,488.20, 5,232.30 and 3,207.40 is: 4,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.20 : 5,232.30 = 3,207.40 : x
  2. Step 2: Convert to fraction form
    3,488.20/5,232.30 = 3,207.40/x
  3. Step 3: Cross multiply
    3,488.20x = 5,232.30 × 3,207.40
  4. Step 4: Simplify right side
    3,488.20x = 16,782,079.02
  5. Step 5: Solve for x
    x = 16,782,079.02/3,488.20
  6. Step 6: Final answer
    x = 4,811.10

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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.