Home / 3,949.74-5,919.49-1,607.02

Finding the Fourth Proportional to 3,949.74, 5,919.49 and 1,607.02

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Solution

The fourth proportional to 3,949.74, 5,919.49 and 1,607.02 is: 2,408.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.74 : 5,919.49 = 1,607.02 : x
  2. Step 2: Convert to fraction form
    3,949.74/5,919.49 = 1,607.02/x
  3. Step 3: Cross multiply
    3,949.74x = 5,919.49 × 1,607.02
  4. Step 4: Simplify right side
    3,949.74x = 9,512,738.82
  5. Step 5: Solve for x
    x = 9,512,738.82/3,949.74
  6. Step 6: Final answer
    x = 2,408.45

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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.