Home / 3,218.38-4,821.33-1,827.52

Finding the Fourth Proportional to 3,218.38, 4,821.33 and 1,827.52

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Solution

The fourth proportional to 3,218.38, 4,821.33 and 1,827.52 is: 2,737.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218.38 : 4,821.33 = 1,827.52 : x
  2. Step 2: Convert to fraction form
    3,218.38/4,821.33 = 1,827.52/x
  3. Step 3: Cross multiply
    3,218.38x = 4,821.33 × 1,827.52
  4. Step 4: Simplify right side
    3,218.38x = 8,811,077.00
  5. Step 5: Solve for x
    x = 8,811,077.00/3,218.38
  6. Step 6: Final answer
    x = 2,737.74

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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.