Home / 3,949.56-5,924.34-2,001.78

Finding the Fourth Proportional to 3,949.56, 5,924.34 and 2,001.78

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Solution

The fourth proportional to 3,949.56, 5,924.34 and 2,001.78 is: 3,002.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.56 : 5,924.34 = 2,001.78 : x
  2. Step 2: Convert to fraction form
    3,949.56/5,924.34 = 2,001.78/x
  3. Step 3: Cross multiply
    3,949.56x = 5,924.34 × 2,001.78
  4. Step 4: Simplify right side
    3,949.56x = 11,859,225.33
  5. Step 5: Solve for x
    x = 11,859,225.33/3,949.56
  6. Step 6: Final answer
    x = 3,002.67

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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.