Home / 3,803.98-5,249.01-2,231.50

Finding the Fourth Proportional to 3,803.98, 5,249.01 and 2,231.50

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Solution

The fourth proportional to 3,803.98, 5,249.01 and 2,231.50 is: 3,079.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.98 : 5,249.01 = 2,231.50 : x
  2. Step 2: Convert to fraction form
    3,803.98/5,249.01 = 2,231.50/x
  3. Step 3: Cross multiply
    3,803.98x = 5,249.01 × 2,231.50
  4. Step 4: Simplify right side
    3,803.98x = 11,713,165.82
  5. Step 5: Solve for x
    x = 11,713,165.82/3,803.98
  6. Step 6: Final answer
    x = 3,079.19

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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.