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Finding the Fourth Proportional to 1,883.32, 2,822.61 and 959.11

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Solution

The fourth proportional to 1,883.32, 2,822.61 and 959.11 is: 1,437.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,883.32 : 2,822.61 = 959.11 : x
  2. Step 2: Convert to fraction form
    1,883.32/2,822.61 = 959.11/x
  3. Step 3: Cross multiply
    1,883.32x = 2,822.61 × 959.11
  4. Step 4: Simplify right side
    1,883.32x = 2,707,179.36
  5. Step 5: Solve for x
    x = 2,707,179.36/1,883.32
  6. Step 6: Final answer
    x = 1,437.45

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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.