Home / 3,131.04-4,694.78-1,049.96

Finding the Fourth Proportional to 3,131.04, 4,694.78 and 1,049.96

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Solution

The fourth proportional to 3,131.04, 4,694.78 and 1,049.96 is: 1,574.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.04 : 4,694.78 = 1,049.96 : x
  2. Step 2: Convert to fraction form
    3,131.04/4,694.78 = 1,049.96/x
  3. Step 3: Cross multiply
    3,131.04x = 4,694.78 × 1,049.96
  4. Step 4: Simplify right side
    3,131.04x = 4,929,331.21
  5. Step 5: Solve for x
    x = 4,929,331.21/3,131.04
  6. Step 6: Final answer
    x = 1,574.34

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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.