Home / 3,811.33-5,260.65-2,240.47

Finding the Fourth Proportional to 3,811.33, 5,260.65 and 2,240.47

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Solution

The fourth proportional to 3,811.33, 5,260.65 and 2,240.47 is: 3,092.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811.33 : 5,260.65 = 2,240.47 : x
  2. Step 2: Convert to fraction form
    3,811.33/5,260.65 = 2,240.47/x
  3. Step 3: Cross multiply
    3,811.33x = 5,260.65 × 2,240.47
  4. Step 4: Simplify right side
    3,811.33x = 11,786,302.20
  5. Step 5: Solve for x
    x = 11,786,302.20/3,811.33
  6. Step 6: Final answer
    x = 3,092.44

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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.