Home / 3,375.05-4,659.28-2,117.96

Finding the Fourth Proportional to 3,375.05, 4,659.28 and 2,117.96

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Solution

The fourth proportional to 3,375.05, 4,659.28 and 2,117.96 is: 2,923.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.05 : 4,659.28 = 2,117.96 : x
  2. Step 2: Convert to fraction form
    3,375.05/4,659.28 = 2,117.96/x
  3. Step 3: Cross multiply
    3,375.05x = 4,659.28 × 2,117.96
  4. Step 4: Simplify right side
    3,375.05x = 9,868,178.99
  5. Step 5: Solve for x
    x = 9,868,178.99/3,375.05
  6. Step 6: Final answer
    x = 2,923.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.