Home / 3,141.13-4,705.41-1,891.03

Finding the Fourth Proportional to 3,141.13, 4,705.41 and 1,891.03

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Solution

The fourth proportional to 3,141.13, 4,705.41 and 1,891.03 is: 2,832.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.13 : 4,705.41 = 1,891.03 : x
  2. Step 2: Convert to fraction form
    3,141.13/4,705.41 = 1,891.03/x
  3. Step 3: Cross multiply
    3,141.13x = 4,705.41 × 1,891.03
  4. Step 4: Simplify right side
    3,141.13x = 8,898,071.47
  5. Step 5: Solve for x
    x = 8,898,071.47/3,141.13
  6. Step 6: Final answer
    x = 2,832.76

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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.