Home / 3,726.09-5,141.97-2,111.07

Finding the Fourth Proportional to 3,726.09, 5,141.97 and 2,111.07

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Solution

The fourth proportional to 3,726.09, 5,141.97 and 2,111.07 is: 2,913.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.09 : 5,141.97 = 2,111.07 : x
  2. Step 2: Convert to fraction form
    3,726.09/5,141.97 = 2,111.07/x
  3. Step 3: Cross multiply
    3,726.09x = 5,141.97 × 2,111.07
  4. Step 4: Simplify right side
    3,726.09x = 10,855,058.61
  5. Step 5: Solve for x
    x = 10,855,058.61/3,726.09
  6. Step 6: Final answer
    x = 2,913.26

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1.5x scale

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.