Home / 1,976.56-2,727.48-1,137.22

Finding the Fourth Proportional to 1,976.56, 2,727.48 and 1,137.22

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Solution

The fourth proportional to 1,976.56, 2,727.48 and 1,137.22 is: 1,569.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.56 : 2,727.48 = 1,137.22 : x
  2. Step 2: Convert to fraction form
    1,976.56/2,727.48 = 1,137.22/x
  3. Step 3: Cross multiply
    1,976.56x = 2,727.48 × 1,137.22
  4. Step 4: Simplify right side
    1,976.56x = 3,101,744.81
  5. Step 5: Solve for x
    x = 3,101,744.81/1,976.56
  6. Step 6: Final answer
    x = 1,569.26

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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.