Home / 1,934.28-2,664.80-1,373.86

Finding the Fourth Proportional to 1,934.28, 2,664.80 and 1,373.86

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Solution

The fourth proportional to 1,934.28, 2,664.80 and 1,373.86 is: 1,892.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.28 : 2,664.80 = 1,373.86 : x
  2. Step 2: Convert to fraction form
    1,934.28/2,664.80 = 1,373.86/x
  3. Step 3: Cross multiply
    1,934.28x = 2,664.80 × 1,373.86
  4. Step 4: Simplify right side
    1,934.28x = 3,661,063.74
  5. Step 5: Solve for x
    x = 3,661,063.74/1,934.28
  6. Step 6: Final answer
    x = 1,892.73

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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.