Home / 2,726.88-4,091.32-1,556.16

Finding the Fourth Proportional to 2,726.88, 4,091.32 and 1,556.16

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Solution

The fourth proportional to 2,726.88, 4,091.32 and 1,556.16 is: 2,334.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.88 : 4,091.32 = 1,556.16 : x
  2. Step 2: Convert to fraction form
    2,726.88/4,091.32 = 1,556.16/x
  3. Step 3: Cross multiply
    2,726.88x = 4,091.32 × 1,556.16
  4. Step 4: Simplify right side
    2,726.88x = 6,366,748.53
  5. Step 5: Solve for x
    x = 6,366,748.53/2,726.88
  6. Step 6: Final answer
    x = 2,334.81

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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.