Home / 2,726.37-3,762.09-1,531.13

Finding the Fourth Proportional to 2,726.37, 3,762.09 and 1,531.13

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Solution

The fourth proportional to 2,726.37, 3,762.09 and 1,531.13 is: 2,112.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.37 : 3,762.09 = 1,531.13 : x
  2. Step 2: Convert to fraction form
    2,726.37/3,762.09 = 1,531.13/x
  3. Step 3: Cross multiply
    2,726.37x = 3,762.09 × 1,531.13
  4. Step 4: Simplify right side
    2,726.37x = 5,760,230.05
  5. Step 5: Solve for x
    x = 5,760,230.05/2,726.37
  6. Step 6: Final answer
    x = 2,112.78

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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.