Home / 2,292.43-3,163.53-1,297.69

Finding the Fourth Proportional to 2,292.43, 3,163.53 and 1,297.69

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Solution

The fourth proportional to 2,292.43, 3,163.53 and 1,297.69 is: 1,790.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.43 : 3,163.53 = 1,297.69 : x
  2. Step 2: Convert to fraction form
    2,292.43/3,163.53 = 1,297.69/x
  3. Step 3: Cross multiply
    2,292.43x = 3,163.53 × 1,297.69
  4. Step 4: Simplify right side
    2,292.43x = 4,105,281.25
  5. Step 5: Solve for x
    x = 4,105,281.25/2,292.43
  6. Step 6: Final answer
    x = 1,790.80

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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.