Home / 3,839.98-5,750.75-2,191.53

Finding the Fourth Proportional to 3,839.98, 5,750.75 and 2,191.53

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Solution

The fourth proportional to 3,839.98, 5,750.75 and 2,191.53 is: 3,282.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.98 : 5,750.75 = 2,191.53 : x
  2. Step 2: Convert to fraction form
    3,839.98/5,750.75 = 2,191.53/x
  3. Step 3: Cross multiply
    3,839.98x = 5,750.75 × 2,191.53
  4. Step 4: Simplify right side
    3,839.98x = 12,602,939.69
  5. Step 5: Solve for x
    x = 12,602,939.69/3,839.98
  6. Step 6: Final answer
    x = 3,282.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.