Home / 2,673.28-4,012.80-1,135.36

Finding the Fourth Proportional to 2,673.28, 4,012.80 and 1,135.36

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Solution

The fourth proportional to 2,673.28, 4,012.80 and 1,135.36 is: 1,704.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,673.28 : 4,012.80 = 1,135.36 : x
  2. Step 2: Convert to fraction form
    2,673.28/4,012.80 = 1,135.36/x
  3. Step 3: Cross multiply
    2,673.28x = 4,012.80 × 1,135.36
  4. Step 4: Simplify right side
    2,673.28x = 4,555,972.61
  5. Step 5: Solve for x
    x = 4,555,972.61/2,673.28
  6. Step 6: Final answer
    x = 1,704.26

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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.