Home / 2,736.90-4,104.95-1,005.14

Finding the Fourth Proportional to 2,736.90, 4,104.95 and 1,005.14

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Solution

The fourth proportional to 2,736.90, 4,104.95 and 1,005.14 is: 1,507.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.90 : 4,104.95 = 1,005.14 : x
  2. Step 2: Convert to fraction form
    2,736.90/4,104.95 = 1,005.14/x
  3. Step 3: Cross multiply
    2,736.90x = 4,104.95 × 1,005.14
  4. Step 4: Simplify right side
    2,736.90x = 4,126,049.44
  5. Step 5: Solve for x
    x = 4,126,049.44/2,736.90
  6. Step 6: Final answer
    x = 1,507.56

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1.5x scale

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.