Home / 1,976.12-2,963.93-1,235.79

Finding the Fourth Proportional to 1,976.12, 2,963.93 and 1,235.79

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Solution

The fourth proportional to 1,976.12, 2,963.93 and 1,235.79 is: 1,853.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.12 : 2,963.93 = 1,235.79 : x
  2. Step 2: Convert to fraction form
    1,976.12/2,963.93 = 1,235.79/x
  3. Step 3: Cross multiply
    1,976.12x = 2,963.93 × 1,235.79
  4. Step 4: Simplify right side
    1,976.12x = 3,662,788.88
  5. Step 5: Solve for x
    x = 3,662,788.88/1,976.12
  6. Step 6: Final answer
    x = 1,853.53

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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.