Home / 3,320.55-4,974.35-2,160.63

Finding the Fourth Proportional to 3,320.55, 4,974.35 and 2,160.63

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Solution

The fourth proportional to 3,320.55, 4,974.35 and 2,160.63 is: 3,236.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.55 : 4,974.35 = 2,160.63 : x
  2. Step 2: Convert to fraction form
    3,320.55/4,974.35 = 2,160.63/x
  3. Step 3: Cross multiply
    3,320.55x = 4,974.35 × 2,160.63
  4. Step 4: Simplify right side
    3,320.55x = 10,747,719.04
  5. Step 5: Solve for x
    x = 10,747,719.04/3,320.55
  6. Step 6: Final answer
    x = 3,236.73

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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.