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Finding the Fourth Proportional to 1,951.87, 2,927.36 and 564.90

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Solution

The fourth proportional to 1,951.87, 2,927.36 and 564.90 is: 847.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,951.87 : 2,927.36 = 564.90 : x
  2. Step 2: Convert to fraction form
    1,951.87/2,927.36 = 564.90/x
  3. Step 3: Cross multiply
    1,951.87x = 2,927.36 × 564.90
  4. Step 4: Simplify right side
    1,951.87x = 1,653,665.66
  5. Step 5: Solve for x
    x = 1,653,665.66/1,951.87
  6. Step 6: Final answer
    x = 847.22

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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.