Home / 2,165.88-3,252.03-1,242.48

Finding the Fourth Proportional to 2,165.88, 3,252.03 and 1,242.48

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Solution

The fourth proportional to 2,165.88, 3,252.03 and 1,242.48 is: 1,865.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,165.88 : 3,252.03 = 1,242.48 : x
  2. Step 2: Convert to fraction form
    2,165.88/3,252.03 = 1,242.48/x
  3. Step 3: Cross multiply
    2,165.88x = 3,252.03 × 1,242.48
  4. Step 4: Simplify right side
    2,165.88x = 4,040,582.23
  5. Step 5: Solve for x
    x = 4,040,582.23/2,165.88
  6. Step 6: Final answer
    x = 1,865.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.