Home / 2,736.12-3,775.32-1,556.88

Finding the Fourth Proportional to 2,736.12, 3,775.32 and 1,556.88

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Solution

The fourth proportional to 2,736.12, 3,775.32 and 1,556.88 is: 2,148.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.12 : 3,775.32 = 1,556.88 : x
  2. Step 2: Convert to fraction form
    2,736.12/3,775.32 = 1,556.88/x
  3. Step 3: Cross multiply
    2,736.12x = 3,775.32 × 1,556.88
  4. Step 4: Simplify right side
    2,736.12x = 5,877,720.20
  5. Step 5: Solve for x
    x = 5,877,720.20/2,736.12
  6. Step 6: Final answer
    x = 2,148.20

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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.