Home / 1,872.24-2,804.70-1,377.75

Finding the Fourth Proportional to 1,872.24, 2,804.70 and 1,377.75

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Solution

The fourth proportional to 1,872.24, 2,804.70 and 1,377.75 is: 2,063.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.24 : 2,804.70 = 1,377.75 : x
  2. Step 2: Convert to fraction form
    1,872.24/2,804.70 = 1,377.75/x
  3. Step 3: Cross multiply
    1,872.24x = 2,804.70 × 1,377.75
  4. Step 4: Simplify right side
    1,872.24x = 3,864,175.43
  5. Step 5: Solve for x
    x = 3,864,175.43/1,872.24
  6. Step 6: Final answer
    x = 2,063.93

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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.