Home / 1,489.94-2,232.83-1,269.42

Finding the Fourth Proportional to 1,489.94, 2,232.83 and 1,269.42

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Solution

The fourth proportional to 1,489.94, 2,232.83 and 1,269.42 is: 1,902.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489.94 : 2,232.83 = 1,269.42 : x
  2. Step 2: Convert to fraction form
    1,489.94/2,232.83 = 1,269.42/x
  3. Step 3: Cross multiply
    1,489.94x = 2,232.83 × 1,269.42
  4. Step 4: Simplify right side
    1,489.94x = 2,834,387.89
  5. Step 5: Solve for x
    x = 2,834,387.89/1,489.94
  6. Step 6: Final answer
    x = 1,902.35

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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.