Home / 1,761.14-2,637.56-1,396.14

Finding the Fourth Proportional to 1,761.14, 2,637.56 and 1,396.14

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Solution

The fourth proportional to 1,761.14, 2,637.56 and 1,396.14 is: 2,090.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761.14 : 2,637.56 = 1,396.14 : x
  2. Step 2: Convert to fraction form
    1,761.14/2,637.56 = 1,396.14/x
  3. Step 3: Cross multiply
    1,761.14x = 2,637.56 × 1,396.14
  4. Step 4: Simplify right side
    1,761.14x = 3,682,396.62
  5. Step 5: Solve for x
    x = 3,682,396.62/1,761.14
  6. Step 6: Final answer
    x = 2,090.91

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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.