Home / 3,784.12-5,676.18-2,320.65

Finding the Fourth Proportional to 3,784.12, 5,676.18 and 2,320.65

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Solution

The fourth proportional to 3,784.12, 5,676.18 and 2,320.65 is: 3,480.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.12 : 5,676.18 = 2,320.65 : x
  2. Step 2: Convert to fraction form
    3,784.12/5,676.18 = 2,320.65/x
  3. Step 3: Cross multiply
    3,784.12x = 5,676.18 × 2,320.65
  4. Step 4: Simplify right side
    3,784.12x = 13,172,418.41
  5. Step 5: Solve for x
    x = 13,172,418.41/3,784.12
  6. Step 6: Final answer
    x = 3,480.98

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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.