Home / 3,837.22-5,295.43-2,135.87

Finding the Fourth Proportional to 3,837.22, 5,295.43 and 2,135.87

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Solution

The fourth proportional to 3,837.22, 5,295.43 and 2,135.87 is: 2,947.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.22 : 5,295.43 = 2,135.87 : x
  2. Step 2: Convert to fraction form
    3,837.22/5,295.43 = 2,135.87/x
  3. Step 3: Cross multiply
    3,837.22x = 5,295.43 × 2,135.87
  4. Step 4: Simplify right side
    3,837.22x = 11,310,334.11
  5. Step 5: Solve for x
    x = 11,310,334.11/3,837.22
  6. Step 6: Final answer
    x = 2,947.53

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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.