Home / 2,669.66-3,681.08-2,249.37

Finding the Fourth Proportional to 2,669.66, 3,681.08 and 2,249.37

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Solution

The fourth proportional to 2,669.66, 3,681.08 and 2,249.37 is: 3,101.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669.66 : 3,681.08 = 2,249.37 : x
  2. Step 2: Convert to fraction form
    2,669.66/3,681.08 = 2,249.37/x
  3. Step 3: Cross multiply
    2,669.66x = 3,681.08 × 2,249.37
  4. Step 4: Simplify right side
    2,669.66x = 8,280,108.11
  5. Step 5: Solve for x
    x = 8,280,108.11/2,669.66
  6. Step 6: Final answer
    x = 3,101.56

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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.