Home / 2,731.09-4,095.19-1,191.25

Finding the Fourth Proportional to 2,731.09, 4,095.19 and 1,191.25

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Solution

The fourth proportional to 2,731.09, 4,095.19 and 1,191.25 is: 1,786.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,731.09 : 4,095.19 = 1,191.25 : x
  2. Step 2: Convert to fraction form
    2,731.09/4,095.19 = 1,191.25/x
  3. Step 3: Cross multiply
    2,731.09x = 4,095.19 × 1,191.25
  4. Step 4: Simplify right side
    2,731.09x = 4,878,395.09
  5. Step 5: Solve for x
    x = 4,878,395.09/2,731.09
  6. Step 6: Final answer
    x = 1,786.24

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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.