Home / 2,669.68-3,687.44-1,887.24

Finding the Fourth Proportional to 2,669.68, 3,687.44 and 1,887.24

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Solution

The fourth proportional to 2,669.68, 3,687.44 and 1,887.24 is: 2,606.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.68 : 3,687.44 = 1,887.24 : x
  2. Step 2: Convert to fraction form
    2,669.68/3,687.44 = 1,887.24/x
  3. Step 3: Cross multiply
    2,669.68x = 3,687.44 × 1,887.24
  4. Step 4: Simplify right side
    2,669.68x = 6,959,084.27
  5. Step 5: Solve for x
    x = 6,959,084.27/2,669.68
  6. Step 6: Final answer
    x = 2,606.71

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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.