Home / 3,883.82-5,360.10-2,391.44

Finding the Fourth Proportional to 3,883.82, 5,360.10 and 2,391.44

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Solution

The fourth proportional to 3,883.82, 5,360.10 and 2,391.44 is: 3,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,883.82 : 5,360.10 = 2,391.44 : x
  2. Step 2: Convert to fraction form
    3,883.82/5,360.10 = 2,391.44/x
  3. Step 3: Cross multiply
    3,883.82x = 5,360.10 × 2,391.44
  4. Step 4: Simplify right side
    3,883.82x = 12,818,357.54
  5. Step 5: Solve for x
    x = 12,818,357.54/3,883.82
  6. Step 6: Final answer
    x = 3,300.45

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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.