Home / 3,115.82-4,676.04-1,472.87

Finding the Fourth Proportional to 3,115.82, 4,676.04 and 1,472.87

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Solution

The fourth proportional to 3,115.82, 4,676.04 and 1,472.87 is: 2,210.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,115.82 : 4,676.04 = 1,472.87 : x
  2. Step 2: Convert to fraction form
    3,115.82/4,676.04 = 1,472.87/x
  3. Step 3: Cross multiply
    3,115.82x = 4,676.04 × 1,472.87
  4. Step 4: Simplify right side
    3,115.82x = 6,887,175.65
  5. Step 5: Solve for x
    x = 6,887,175.65/3,115.82
  6. Step 6: Final answer
    x = 2,210.39

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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.