Home / 3,490.20-5,235.30-3,468.60

Finding the Fourth Proportional to 3,490.20, 5,235.30 and 3,468.60

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Solution

The fourth proportional to 3,490.20, 5,235.30 and 3,468.60 is: 5,202.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.20 : 5,235.30 = 3,468.60 : x
  2. Step 2: Convert to fraction form
    3,490.20/5,235.30 = 3,468.60/x
  3. Step 3: Cross multiply
    3,490.20x = 5,235.30 × 3,468.60
  4. Step 4: Simplify right side
    3,490.20x = 18,159,161.58
  5. Step 5: Solve for x
    x = 18,159,161.58/3,490.20
  6. Step 6: Final answer
    x = 5,202.90

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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.