Home / 3,876.08-5,813.10-2,643.26

Finding the Fourth Proportional to 3,876.08, 5,813.10 and 2,643.26

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Solution

The fourth proportional to 3,876.08, 5,813.10 and 2,643.26 is: 3,964.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.08 : 5,813.10 = 2,643.26 : x
  2. Step 2: Convert to fraction form
    3,876.08/5,813.10 = 2,643.26/x
  3. Step 3: Cross multiply
    3,876.08x = 5,813.10 × 2,643.26
  4. Step 4: Simplify right side
    3,876.08x = 15,365,505.64
  5. Step 5: Solve for x
    x = 15,365,505.64/3,876.08
  6. Step 6: Final answer
    x = 3,964.19

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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.