Home / 1,334.44-2,003.10-1,120.36

Finding the Fourth Proportional to 1,334.44, 2,003.10 and 1,120.36

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Solution

The fourth proportional to 1,334.44, 2,003.10 and 1,120.36 is: 1,681.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.44 : 2,003.10 = 1,120.36 : x
  2. Step 2: Convert to fraction form
    1,334.44/2,003.10 = 1,120.36/x
  3. Step 3: Cross multiply
    1,334.44x = 2,003.10 × 1,120.36
  4. Step 4: Simplify right side
    1,334.44x = 2,244,193.12
  5. Step 5: Solve for x
    x = 2,244,193.12/1,334.44
  6. Step 6: Final answer
    x = 1,681.75

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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.