Home / 2,628.53-3,935.50-1,327.26

Finding the Fourth Proportional to 2,628.53, 3,935.50 and 1,327.26

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Solution

The fourth proportional to 2,628.53, 3,935.50 and 1,327.26 is: 1,987.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628.53 : 3,935.50 = 1,327.26 : x
  2. Step 2: Convert to fraction form
    2,628.53/3,935.50 = 1,327.26/x
  3. Step 3: Cross multiply
    2,628.53x = 3,935.50 × 1,327.26
  4. Step 4: Simplify right side
    2,628.53x = 5,223,428.41
  5. Step 5: Solve for x
    x = 5,223,428.41/2,628.53
  6. Step 6: Final answer
    x = 1,987.21

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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.