Home / 1,936.91-2,672.93-1,052.71

Finding the Fourth Proportional to 1,936.91, 2,672.93 and 1,052.71

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Solution

The fourth proportional to 1,936.91, 2,672.93 and 1,052.71 is: 1,452.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.91 : 2,672.93 = 1,052.71 : x
  2. Step 2: Convert to fraction form
    1,936.91/2,672.93 = 1,052.71/x
  3. Step 3: Cross multiply
    1,936.91x = 2,672.93 × 1,052.71
  4. Step 4: Simplify right side
    1,936.91x = 2,813,816.09
  5. Step 5: Solve for x
    x = 2,813,816.09/1,936.91
  6. Step 6: Final answer
    x = 1,452.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.