Home / 3,239.61-4,854.83-2,505.75

Finding the Fourth Proportional to 3,239.61, 4,854.83 and 2,505.75

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Solution

The fourth proportional to 3,239.61, 4,854.83 and 2,505.75 is: 3,755.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.61 : 4,854.83 = 2,505.75 : x
  2. Step 2: Convert to fraction form
    3,239.61/4,854.83 = 2,505.75/x
  3. Step 3: Cross multiply
    3,239.61x = 4,854.83 × 2,505.75
  4. Step 4: Simplify right side
    3,239.61x = 12,164,977.74
  5. Step 5: Solve for x
    x = 12,164,977.74/3,239.61
  6. Step 6: Final answer
    x = 3,755.07

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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.