Home / 3,249.29-4,484.55-2,415.53

Finding the Fourth Proportional to 3,249.29, 4,484.55 and 2,415.53

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Solution

The fourth proportional to 3,249.29, 4,484.55 and 2,415.53 is: 3,333.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,249.29 : 4,484.55 = 2,415.53 : x
  2. Step 2: Convert to fraction form
    3,249.29/4,484.55 = 2,415.53/x
  3. Step 3: Cross multiply
    3,249.29x = 4,484.55 × 2,415.53
  4. Step 4: Simplify right side
    3,249.29x = 10,832,542.64
  5. Step 5: Solve for x
    x = 10,832,542.64/3,249.29
  6. Step 6: Final answer
    x = 3,333.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.