Home / 3,928.02-5,919.03-3,249.93

Finding the Fourth Proportional to 3,928.02, 5,919.03 and 3,249.93

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Solution

The fourth proportional to 3,928.02, 5,919.03 and 3,249.93 is: 4,897.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,928.02 : 5,919.03 = 3,249.93 : x
  2. Step 2: Convert to fraction form
    3,928.02/5,919.03 = 3,249.93/x
  3. Step 3: Cross multiply
    3,928.02x = 5,919.03 × 3,249.93
  4. Step 4: Simplify right side
    3,928.02x = 19,236,433.17
  5. Step 5: Solve for x
    x = 19,236,433.17/3,928.02
  6. Step 6: Final answer
    x = 4,897.23

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.