Home / 2,637.12-3,954.24-1,177.68

Finding the Fourth Proportional to 2,637.12, 3,954.24 and 1,177.68

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Solution

The fourth proportional to 2,637.12, 3,954.24 and 1,177.68 is: 1,765.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.12 : 3,954.24 = 1,177.68 : x
  2. Step 2: Convert to fraction form
    2,637.12/3,954.24 = 1,177.68/x
  3. Step 3: Cross multiply
    2,637.12x = 3,954.24 × 1,177.68
  4. Step 4: Simplify right side
    2,637.12x = 4,656,829.36
  5. Step 5: Solve for x
    x = 4,656,829.36/2,637.12
  6. Step 6: Final answer
    x = 1,765.88

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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.