Home / 1,975.94-2,726.74-1,091.72

Finding the Fourth Proportional to 1,975.94, 2,726.74 and 1,091.72

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Solution

The fourth proportional to 1,975.94, 2,726.74 and 1,091.72 is: 1,506.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.94 : 2,726.74 = 1,091.72 : x
  2. Step 2: Convert to fraction form
    1,975.94/2,726.74 = 1,091.72/x
  3. Step 3: Cross multiply
    1,975.94x = 2,726.74 × 1,091.72
  4. Step 4: Simplify right side
    1,975.94x = 2,976,844.77
  5. Step 5: Solve for x
    x = 2,976,844.77/1,975.94
  6. Step 6: Final answer
    x = 1,506.55

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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.