Home / 3,884.17-5,359.37-2,687.28

Finding the Fourth Proportional to 3,884.17, 5,359.37 and 2,687.28

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Solution

The fourth proportional to 3,884.17, 5,359.37 and 2,687.28 is: 3,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,884.17 : 5,359.37 = 2,687.28 : x
  2. Step 2: Convert to fraction form
    3,884.17/5,359.37 = 2,687.28/x
  3. Step 3: Cross multiply
    3,884.17x = 5,359.37 × 2,687.28
  4. Step 4: Simplify right side
    3,884.17x = 14,402,094.28
  5. Step 5: Solve for x
    x = 14,402,094.28/3,884.17
  6. Step 6: Final answer
    x = 3,707.90

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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.