Home / 1,975.74-2,726.24-1,125

Finding the Fourth Proportional to 1,975.74, 2,726.24 and 1,125

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Solution

The fourth proportional to 1,975.74, 2,726.24 and 1,125 is: 1,552.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975.74 : 2,726.24 = 1,125 : x
  2. Step 2: Convert to fraction form
    1,975.74/2,726.24 = 1,125/x
  3. Step 3: Cross multiply
    1,975.74x = 2,726.24 × 1,125
  4. Step 4: Simplify right side
    1,975.74x = 3,067,014.38
  5. Step 5: Solve for x
    x = 3,067,014.38/1,975.74
  6. Step 6: Final answer
    x = 1,552.34

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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.