Home / 1,968.31-2,952.26-1,042.89

Finding the Fourth Proportional to 1,968.31, 2,952.26 and 1,042.89

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Solution

The fourth proportional to 1,968.31, 2,952.26 and 1,042.89 is: 1,564.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.31 : 2,952.26 = 1,042.89 : x
  2. Step 2: Convert to fraction form
    1,968.31/2,952.26 = 1,042.89/x
  3. Step 3: Cross multiply
    1,968.31x = 2,952.26 × 1,042.89
  4. Step 4: Simplify right side
    1,968.31x = 3,078,882.43
  5. Step 5: Solve for x
    x = 3,078,882.43/1,968.31
  6. Step 6: Final answer
    x = 1,564.23

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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.