Home / 3,876.67-5,813.52-2,488.06

Finding the Fourth Proportional to 3,876.67, 5,813.52 and 2,488.06

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Solution

The fourth proportional to 3,876.67, 5,813.52 and 2,488.06 is: 3,731.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.67 : 5,813.52 = 2,488.06 : x
  2. Step 2: Convert to fraction form
    3,876.67/5,813.52 = 2,488.06/x
  3. Step 3: Cross multiply
    3,876.67x = 5,813.52 × 2,488.06
  4. Step 4: Simplify right side
    3,876.67x = 14,464,386.57
  5. Step 5: Solve for x
    x = 14,464,386.57/3,876.67
  6. Step 6: Final answer
    x = 3,731.14

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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.