Home / 1,976.34-2,726.94-1,137.06

Finding the Fourth Proportional to 1,976.34, 2,726.94 and 1,137.06

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Solution

The fourth proportional to 1,976.34, 2,726.94 and 1,137.06 is: 1,568.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.34 : 2,726.94 = 1,137.06 : x
  2. Step 2: Convert to fraction form
    1,976.34/2,726.94 = 1,137.06/x
  3. Step 3: Cross multiply
    1,976.34x = 2,726.94 × 1,137.06
  4. Step 4: Simplify right side
    1,976.34x = 3,100,694.40
  5. Step 5: Solve for x
    x = 3,100,694.40/1,976.34
  6. Step 6: Final answer
    x = 1,568.91

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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.