Home / 2,642.67-3,963.51-1,082.34

Finding the Fourth Proportional to 2,642.67, 3,963.51 and 1,082.34

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Solution

The fourth proportional to 2,642.67, 3,963.51 and 1,082.34 is: 1,623.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642.67 : 3,963.51 = 1,082.34 : x
  2. Step 2: Convert to fraction form
    2,642.67/3,963.51 = 1,082.34/x
  3. Step 3: Cross multiply
    2,642.67x = 3,963.51 × 1,082.34
  4. Step 4: Simplify right side
    2,642.67x = 4,289,865.41
  5. Step 5: Solve for x
    x = 4,289,865.41/2,642.67
  6. Step 6: Final answer
    x = 1,623.31

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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.