Home / 3,744.55-5,617.69-1,112.00

Finding the Fourth Proportional to 3,744.55, 5,617.69 and 1,112.00

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Solution

The fourth proportional to 3,744.55, 5,617.69 and 1,112.00 is: 1,668.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,744.55 : 5,617.69 = 1,112.00 : x
  2. Step 2: Convert to fraction form
    3,744.55/5,617.69 = 1,112.00/x
  3. Step 3: Cross multiply
    3,744.55x = 5,617.69 × 1,112.00
  4. Step 4: Simplify right side
    3,744.55x = 6,246,853.03
  5. Step 5: Solve for x
    x = 6,246,853.03/3,744.55
  6. Step 6: Final answer
    x = 1,668.25

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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.