Home / 3,133.73-4,322.80-1,937.90

Finding the Fourth Proportional to 3,133.73, 4,322.80 and 1,937.90

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Solution

The fourth proportional to 3,133.73, 4,322.80 and 1,937.90 is: 2,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,133.73 : 4,322.80 = 1,937.90 : x
  2. Step 2: Convert to fraction form
    3,133.73/4,322.80 = 1,937.90/x
  3. Step 3: Cross multiply
    3,133.73x = 4,322.80 × 1,937.90
  4. Step 4: Simplify right side
    3,133.73x = 8,377,154.12
  5. Step 5: Solve for x
    x = 8,377,154.12/3,133.73
  6. Step 6: Final answer
    x = 2,673.22

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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.