Home / 3,489.11-5,229.03-1,903.76

Finding the Fourth Proportional to 3,489.11, 5,229.03 and 1,903.76

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Solution

The fourth proportional to 3,489.11, 5,229.03 and 1,903.76 is: 2,853.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,489.11 : 5,229.03 = 1,903.76 : x
  2. Step 2: Convert to fraction form
    3,489.11/5,229.03 = 1,903.76/x
  3. Step 3: Cross multiply
    3,489.11x = 5,229.03 × 1,903.76
  4. Step 4: Simplify right side
    3,489.11x = 9,954,818.76
  5. Step 5: Solve for x
    x = 9,954,818.76/3,489.11
  6. Step 6: Final answer
    x = 2,853.11

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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.