Home / 1,912.19-2,869.19-1,046.48

Finding the Fourth Proportional to 1,912.19, 2,869.19 and 1,046.48

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Solution

The fourth proportional to 1,912.19, 2,869.19 and 1,046.48 is: 1,570.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,912.19 : 2,869.19 = 1,046.48 : x
  2. Step 2: Convert to fraction form
    1,912.19/2,869.19 = 1,046.48/x
  3. Step 3: Cross multiply
    1,912.19x = 2,869.19 × 1,046.48
  4. Step 4: Simplify right side
    1,912.19x = 3,002,530.37
  5. Step 5: Solve for x
    x = 3,002,530.37/1,912.19
  6. Step 6: Final answer
    x = 1,570.21

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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.