Home / 3,380.20-5,060.40-2,408.20

Finding the Fourth Proportional to 3,380.20, 5,060.40 and 2,408.20

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Solution

The fourth proportional to 3,380.20, 5,060.40 and 2,408.20 is: 3,605.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,380.20 : 5,060.40 = 2,408.20 : x
  2. Step 2: Convert to fraction form
    3,380.20/5,060.40 = 2,408.20/x
  3. Step 3: Cross multiply
    3,380.20x = 5,060.40 × 2,408.20
  4. Step 4: Simplify right side
    3,380.20x = 12,186,455.28
  5. Step 5: Solve for x
    x = 12,186,455.28/3,380.20
  6. Step 6: Final answer
    x = 3,605.25

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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.