Home / 3,876.08-5,348.10-2,619.48

Finding the Fourth Proportional to 3,876.08, 5,348.10 and 2,619.48

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Solution

The fourth proportional to 3,876.08, 5,348.10 and 2,619.48 is: 3,614.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,876.08 : 5,348.10 = 2,619.48 : x
  2. Step 2: Convert to fraction form
    3,876.08/5,348.10 = 2,619.48/x
  3. Step 3: Cross multiply
    3,876.08x = 5,348.10 × 2,619.48
  4. Step 4: Simplify right side
    3,876.08x = 14,009,240.99
  5. Step 5: Solve for x
    x = 14,009,240.99/3,876.08
  6. Step 6: Final answer
    x = 3,614.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.