Home / 1,849.25-2,552.90-1,428.65

Finding the Fourth Proportional to 1,849.25, 2,552.90 and 1,428.65

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Solution

The fourth proportional to 1,849.25, 2,552.90 and 1,428.65 is: 1,972.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,849.25 : 2,552.90 = 1,428.65 : x
  2. Step 2: Convert to fraction form
    1,849.25/2,552.90 = 1,428.65/x
  3. Step 3: Cross multiply
    1,849.25x = 2,552.90 × 1,428.65
  4. Step 4: Simplify right side
    1,849.25x = 3,647,200.59
  5. Step 5: Solve for x
    x = 3,647,200.59/1,849.25
  6. Step 6: Final answer
    x = 1,972.26

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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.