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Finding the Fourth Proportional to 1,927.34, 2,891.01 and 952.46

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Solution

The fourth proportional to 1,927.34, 2,891.01 and 952.46 is: 1,428.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.34 : 2,891.01 = 952.46 : x
  2. Step 2: Convert to fraction form
    1,927.34/2,891.01 = 952.46/x
  3. Step 3: Cross multiply
    1,927.34x = 2,891.01 × 952.46
  4. Step 4: Simplify right side
    1,927.34x = 2,753,571.38
  5. Step 5: Solve for x
    x = 2,753,571.38/1,927.34
  6. Step 6: Final answer
    x = 1,428.69

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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.