Home / 3,249.28-4,867.80-1,603.90

Finding the Fourth Proportional to 3,249.28, 4,867.80 and 1,603.90

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Solution

The fourth proportional to 3,249.28, 4,867.80 and 1,603.90 is: 2,402.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.28 : 4,867.80 = 1,603.90 : x
  2. Step 2: Convert to fraction form
    3,249.28/4,867.80 = 1,603.90/x
  3. Step 3: Cross multiply
    3,249.28x = 4,867.80 × 1,603.90
  4. Step 4: Simplify right side
    3,249.28x = 7,807,464.42
  5. Step 5: Solve for x
    x = 7,807,464.42/3,249.28
  6. Step 6: Final answer
    x = 2,402.83

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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.