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Finding the Fourth Proportional to 1,968.26, 2,952.36 and 927.90

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Solution

The fourth proportional to 1,968.26, 2,952.36 and 927.90 is: 1,391.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,968.26 : 2,952.36 = 927.90 : x
  2. Step 2: Convert to fraction form
    1,968.26/2,952.36 = 927.90/x
  3. Step 3: Cross multiply
    1,968.26x = 2,952.36 × 927.90
  4. Step 4: Simplify right side
    1,968.26x = 2,739,494.84
  5. Step 5: Solve for x
    x = 2,739,494.84/1,968.26
  6. Step 6: Final answer
    x = 1,391.84

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1.5x scale

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.