Home / 2,753.14-4,127.73-1,291.48

Finding the Fourth Proportional to 2,753.14, 4,127.73 and 1,291.48

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Solution

The fourth proportional to 2,753.14, 4,127.73 and 1,291.48 is: 1,936.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.14 : 4,127.73 = 1,291.48 : x
  2. Step 2: Convert to fraction form
    2,753.14/4,127.73 = 1,291.48/x
  3. Step 3: Cross multiply
    2,753.14x = 4,127.73 × 1,291.48
  4. Step 4: Simplify right side
    2,753.14x = 5,330,880.74
  5. Step 5: Solve for x
    x = 5,330,880.74/2,753.14
  6. Step 6: Final answer
    x = 1,936.29

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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.