Home / 1,936.20-2,671.98-1,052.02

Finding the Fourth Proportional to 1,936.20, 2,671.98 and 1,052.02

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Solution

The fourth proportional to 1,936.20, 2,671.98 and 1,052.02 is: 1,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,936.20 : 2,671.98 = 1,052.02 : x
  2. Step 2: Convert to fraction form
    1,936.20/2,671.98 = 1,052.02/x
  3. Step 3: Cross multiply
    1,936.20x = 2,671.98 × 1,052.02
  4. Step 4: Simplify right side
    1,936.20x = 2,810,976.40
  5. Step 5: Solve for x
    x = 2,810,976.40/1,936.20
  6. Step 6: Final answer
    x = 1,451.80

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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.