Home / 3,726.44-5,589.81-1,261.51

Finding the Fourth Proportional to 3,726.44, 5,589.81 and 1,261.51

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Solution

The fourth proportional to 3,726.44, 5,589.81 and 1,261.51 is: 1,892.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.44 : 5,589.81 = 1,261.51 : x
  2. Step 2: Convert to fraction form
    3,726.44/5,589.81 = 1,261.51/x
  3. Step 3: Cross multiply
    3,726.44x = 5,589.81 × 1,261.51
  4. Step 4: Simplify right side
    3,726.44x = 7,051,587.24
  5. Step 5: Solve for x
    x = 7,051,587.24/3,726.44
  6. Step 6: Final answer
    x = 1,892.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.