Home / 2,177.43-3,267.29-1,190.95

Finding the Fourth Proportional to 2,177.43, 3,267.29 and 1,190.95

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Solution

The fourth proportional to 2,177.43, 3,267.29 and 1,190.95 is: 1,787.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177.43 : 3,267.29 = 1,190.95 : x
  2. Step 2: Convert to fraction form
    2,177.43/3,267.29 = 1,190.95/x
  3. Step 3: Cross multiply
    2,177.43x = 3,267.29 × 1,190.95
  4. Step 4: Simplify right side
    2,177.43x = 3,891,185.51
  5. Step 5: Solve for x
    x = 3,891,185.51/2,177.43
  6. Step 6: Final answer
    x = 1,787.05

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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.