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Finding the Fourth Proportional to 1,912.49, 2,869.19 and 596.18

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Solution

The fourth proportional to 1,912.49, 2,869.19 and 596.18 is: 894.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912.49 : 2,869.19 = 596.18 : x
  2. Step 2: Convert to fraction form
    1,912.49/2,869.19 = 596.18/x
  3. Step 3: Cross multiply
    1,912.49x = 2,869.19 × 596.18
  4. Step 4: Simplify right side
    1,912.49x = 1,710,563.48
  5. Step 5: Solve for x
    x = 1,710,563.48/1,912.49
  6. Step 6: Final answer
    x = 894.41

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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.