Home / 2,841.46-3,921.40-1,722.44

Finding the Fourth Proportional to 2,841.46, 3,921.40 and 1,722.44

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Solution

The fourth proportional to 2,841.46, 3,921.40 and 1,722.44 is: 2,377.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841.46 : 3,921.40 = 1,722.44 : x
  2. Step 2: Convert to fraction form
    2,841.46/3,921.40 = 1,722.44/x
  3. Step 3: Cross multiply
    2,841.46x = 3,921.40 × 1,722.44
  4. Step 4: Simplify right side
    2,841.46x = 6,754,376.22
  5. Step 5: Solve for x
    x = 6,754,376.22/2,841.46
  6. Step 6: Final answer
    x = 2,377.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.