Home / 3,377.35-5,074.94-1,818.51

Finding the Fourth Proportional to 3,377.35, 5,074.94 and 1,818.51

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Solution

The fourth proportional to 3,377.35, 5,074.94 and 1,818.51 is: 2,732.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,377.35 : 5,074.94 = 1,818.51 : x
  2. Step 2: Convert to fraction form
    3,377.35/5,074.94 = 1,818.51/x
  3. Step 3: Cross multiply
    3,377.35x = 5,074.94 × 1,818.51
  4. Step 4: Simplify right side
    3,377.35x = 9,228,829.14
  5. Step 5: Solve for x
    x = 9,228,829.14/3,377.35
  6. Step 6: Final answer
    x = 2,732.57

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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.