Home / 2,735.12-4,106.31-1,275.29

Finding the Fourth Proportional to 2,735.12, 4,106.31 and 1,275.29

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Solution

The fourth proportional to 2,735.12, 4,106.31 and 1,275.29 is: 1,914.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,735.12 : 4,106.31 = 1,275.29 : x
  2. Step 2: Convert to fraction form
    2,735.12/4,106.31 = 1,275.29/x
  3. Step 3: Cross multiply
    2,735.12x = 4,106.31 × 1,275.29
  4. Step 4: Simplify right side
    2,735.12x = 5,236,736.08
  5. Step 5: Solve for x
    x = 5,236,736.08/2,735.12
  6. Step 6: Final answer
    x = 1,914.63

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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.