Home / 3,302.20-4,958.70-2,211.40

Finding the Fourth Proportional to 3,302.20, 4,958.70 and 2,211.40

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Solution

The fourth proportional to 3,302.20, 4,958.70 and 2,211.40 is: 3,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,302.20 : 4,958.70 = 2,211.40 : x
  2. Step 2: Convert to fraction form
    3,302.20/4,958.70 = 2,211.40/x
  3. Step 3: Cross multiply
    3,302.20x = 4,958.70 × 2,211.40
  4. Step 4: Simplify right side
    3,302.20x = 10,965,669.18
  5. Step 5: Solve for x
    x = 10,965,669.18/3,302.20
  6. Step 6: Final answer
    x = 3,320.72

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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.