Home / 2,662.09-3,671.81-2,307.38

Finding the Fourth Proportional to 2,662.09, 3,671.81 and 2,307.38

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Solution

The fourth proportional to 2,662.09, 3,671.81 and 2,307.38 is: 3,182.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,662.09 : 3,671.81 = 2,307.38 : x
  2. Step 2: Convert to fraction form
    2,662.09/3,671.81 = 2,307.38/x
  3. Step 3: Cross multiply
    2,662.09x = 3,671.81 × 2,307.38
  4. Step 4: Simplify right side
    2,662.09x = 8,472,249.42
  5. Step 5: Solve for x
    x = 8,472,249.42/2,662.09
  6. Step 6: Final answer
    x = 3,182.56

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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.