Home / 3,887.07-5,363.95-2,208.43

Finding the Fourth Proportional to 3,887.07, 5,363.95 and 2,208.43

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Solution

The fourth proportional to 3,887.07, 5,363.95 and 2,208.43 is: 3,047.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.07 : 5,363.95 = 2,208.43 : x
  2. Step 2: Convert to fraction form
    3,887.07/5,363.95 = 2,208.43/x
  3. Step 3: Cross multiply
    3,887.07x = 5,363.95 × 2,208.43
  4. Step 4: Simplify right side
    3,887.07x = 11,845,908.10
  5. Step 5: Solve for x
    x = 11,845,908.10/3,887.07
  6. Step 6: Final answer
    x = 3,047.52

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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.