Home / 3,887.48-5,364.73-2,209.44

Finding the Fourth Proportional to 3,887.48, 5,364.73 and 2,209.44

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Solution

The fourth proportional to 3,887.48, 5,364.73 and 2,209.44 is: 3,049.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.48 : 5,364.73 = 2,209.44 : x
  2. Step 2: Convert to fraction form
    3,887.48/5,364.73 = 2,209.44/x
  3. Step 3: Cross multiply
    3,887.48x = 5,364.73 × 2,209.44
  4. Step 4: Simplify right side
    3,887.48x = 11,853,071.93
  5. Step 5: Solve for x
    x = 11,853,071.93/3,887.48
  6. Step 6: Final answer
    x = 3,049.04

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.