Home / 2,796.98-3,855.08-1,911.24

Finding the Fourth Proportional to 2,796.98, 3,855.08 and 1,911.24

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Solution

The fourth proportional to 2,796.98, 3,855.08 and 1,911.24 is: 2,634.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.98 : 3,855.08 = 1,911.24 : x
  2. Step 2: Convert to fraction form
    2,796.98/3,855.08 = 1,911.24/x
  3. Step 3: Cross multiply
    2,796.98x = 3,855.08 × 1,911.24
  4. Step 4: Simplify right side
    2,796.98x = 7,367,983.10
  5. Step 5: Solve for x
    x = 7,367,983.10/2,796.98
  6. Step 6: Final answer
    x = 2,634.26

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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.