Home / 2,736.51-4,104.63-1,005

Finding the Fourth Proportional to 2,736.51, 4,104.63 and 1,005

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Solution

The fourth proportional to 2,736.51, 4,104.63 and 1,005 is: 1,507.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,736.51 : 4,104.63 = 1,005 : x
  2. Step 2: Convert to fraction form
    2,736.51/4,104.63 = 1,005/x
  3. Step 3: Cross multiply
    2,736.51x = 4,104.63 × 1,005
  4. Step 4: Simplify right side
    2,736.51x = 4,125,153.15
  5. Step 5: Solve for x
    x = 4,125,153.15/2,736.51
  6. Step 6: Final answer
    x = 1,507.45

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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.