Home / 2,214.75-3,315.96-1,435.65

Finding the Fourth Proportional to 2,214.75, 3,315.96 and 1,435.65

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Solution

The fourth proportional to 2,214.75, 3,315.96 and 1,435.65 is: 2,149.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,214.75 : 3,315.96 = 1,435.65 : x
  2. Step 2: Convert to fraction form
    2,214.75/3,315.96 = 1,435.65/x
  3. Step 3: Cross multiply
    2,214.75x = 3,315.96 × 1,435.65
  4. Step 4: Simplify right side
    2,214.75x = 4,760,557.97
  5. Step 5: Solve for x
    x = 4,760,557.97/2,214.75
  6. Step 6: Final answer
    x = 2,149.48

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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.