Home / 3,147.22-4,724.00-1,299.43

Finding the Fourth Proportional to 3,147.22, 4,724.00 and 1,299.43

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Solution

The fourth proportional to 3,147.22, 4,724.00 and 1,299.43 is: 1,950.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147.22 : 4,724.00 = 1,299.43 : x
  2. Step 2: Convert to fraction form
    3,147.22/4,724.00 = 1,299.43/x
  3. Step 3: Cross multiply
    3,147.22x = 4,724.00 × 1,299.43
  4. Step 4: Simplify right side
    3,147.22x = 6,138,477.20
  5. Step 5: Solve for x
    x = 6,138,477.20/3,147.22
  6. Step 6: Final answer
    x = 1,950.45

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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.