Home / 3,330.20-5,000.70-2,239.40

Finding the Fourth Proportional to 3,330.20, 5,000.70 and 2,239.40

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Solution

The fourth proportional to 3,330.20, 5,000.70 and 2,239.40 is: 3,362.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.20 : 5,000.70 = 2,239.40 : x
  2. Step 2: Convert to fraction form
    3,330.20/5,000.70 = 2,239.40/x
  3. Step 3: Cross multiply
    3,330.20x = 5,000.70 × 2,239.40
  4. Step 4: Simplify right side
    3,330.20x = 11,198,567.58
  5. Step 5: Solve for x
    x = 11,198,567.58/3,330.20
  6. Step 6: Final answer
    x = 3,362.73

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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.