Home / 3,726.48-5,589.30-1,261.23

Finding the Fourth Proportional to 3,726.48, 5,589.30 and 1,261.23

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Solution

The fourth proportional to 3,726.48, 5,589.30 and 1,261.23 is: 1,891.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,726.48 : 5,589.30 = 1,261.23 : x
  2. Step 2: Convert to fraction form
    3,726.48/5,589.30 = 1,261.23/x
  3. Step 3: Cross multiply
    3,726.48x = 5,589.30 × 1,261.23
  4. Step 4: Simplify right side
    3,726.48x = 7,049,392.84
  5. Step 5: Solve for x
    x = 7,049,392.84/3,726.48
  6. Step 6: Final answer
    x = 1,891.70

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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.