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Finding the Fourth Proportional to 1,897.09, 2,844.42 and 922.66

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Solution

The fourth proportional to 1,897.09, 2,844.42 and 922.66 is: 1,383.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,897.09 : 2,844.42 = 922.66 : x
  2. Step 2: Convert to fraction form
    1,897.09/2,844.42 = 922.66/x
  3. Step 3: Cross multiply
    1,897.09x = 2,844.42 × 922.66
  4. Step 4: Simplify right side
    1,897.09x = 2,624,432.56
  5. Step 5: Solve for x
    x = 2,624,432.56/1,897.09
  6. Step 6: Final answer
    x = 1,383.40

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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.