Home / 3,749.55-5,623.37-1,116.44

Finding the Fourth Proportional to 3,749.55, 5,623.37 and 1,116.44

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Solution

The fourth proportional to 3,749.55, 5,623.37 and 1,116.44 is: 1,674.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,749.55 : 5,623.37 = 1,116.44 : x
  2. Step 2: Convert to fraction form
    3,749.55/5,623.37 = 1,116.44/x
  3. Step 3: Cross multiply
    3,749.55x = 5,623.37 × 1,116.44
  4. Step 4: Simplify right side
    3,749.55x = 6,278,121.50
  5. Step 5: Solve for x
    x = 6,278,121.50/3,749.55
  6. Step 6: Final answer
    x = 1,674.37

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Half scale
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Double scale
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1.5x scale

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.