Home / 3,375.08-4,655.84-1,977

Finding the Fourth Proportional to 3,375.08, 4,655.84 and 1,977

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Solution

The fourth proportional to 3,375.08, 4,655.84 and 1,977 is: 2,727.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,375.08 : 4,655.84 = 1,977 : x
  2. Step 2: Convert to fraction form
    3,375.08/4,655.84 = 1,977/x
  3. Step 3: Cross multiply
    3,375.08x = 4,655.84 × 1,977
  4. Step 4: Simplify right side
    3,375.08x = 9,204,595.68
  5. Step 5: Solve for x
    x = 9,204,595.68/3,375.08
  6. Step 6: Final answer
    x = 2,727.22

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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.