Home / 2,982.11-4,114.86-1,655.82

Finding the Fourth Proportional to 2,982.11, 4,114.86 and 1,655.82

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Solution

The fourth proportional to 2,982.11, 4,114.86 and 1,655.82 is: 2,284.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.11 : 4,114.86 = 1,655.82 : x
  2. Step 2: Convert to fraction form
    2,982.11/4,114.86 = 1,655.82/x
  3. Step 3: Cross multiply
    2,982.11x = 4,114.86 × 1,655.82
  4. Step 4: Simplify right side
    2,982.11x = 6,813,467.49
  5. Step 5: Solve for x
    x = 6,813,467.49/2,982.11
  6. Step 6: Final answer
    x = 2,284.78

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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.