Home / 2,837.38-4,257.21-1,376.38

Finding the Fourth Proportional to 2,837.38, 4,257.21 and 1,376.38

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Solution

The fourth proportional to 2,837.38, 4,257.21 and 1,376.38 is: 2,065.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.38 : 4,257.21 = 1,376.38 : x
  2. Step 2: Convert to fraction form
    2,837.38/4,257.21 = 1,376.38/x
  3. Step 3: Cross multiply
    2,837.38x = 4,257.21 × 1,376.38
  4. Step 4: Simplify right side
    2,837.38x = 5,859,538.70
  5. Step 5: Solve for x
    x = 5,859,538.70/2,837.38
  6. Step 6: Final answer
    x = 2,065.12

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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.