Home / 3,839.31-5,760.99-1,647.45

Finding the Fourth Proportional to 3,839.31, 5,760.99 and 1,647.45

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Solution

The fourth proportional to 3,839.31, 5,760.99 and 1,647.45 is: 2,472.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,839.31 : 5,760.99 = 1,647.45 : x
  2. Step 2: Convert to fraction form
    3,839.31/5,760.99 = 1,647.45/x
  3. Step 3: Cross multiply
    3,839.31x = 5,760.99 × 1,647.45
  4. Step 4: Simplify right side
    3,839.31x = 9,490,942.98
  5. Step 5: Solve for x
    x = 9,490,942.98/3,839.31
  6. Step 6: Final answer
    x = 2,472.04

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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.