Home / 2,292.48-3,163.67-1,297.76

Finding the Fourth Proportional to 2,292.48, 3,163.67 and 1,297.76

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Solution

The fourth proportional to 2,292.48, 3,163.67 and 1,297.76 is: 1,790.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.48 : 3,163.67 = 1,297.76 : x
  2. Step 2: Convert to fraction form
    2,292.48/3,163.67 = 1,297.76/x
  3. Step 3: Cross multiply
    2,292.48x = 3,163.67 × 1,297.76
  4. Step 4: Simplify right side
    2,292.48x = 4,105,662.07
  5. Step 5: Solve for x
    x = 4,105,662.07/2,292.48
  6. Step 6: Final answer
    x = 1,790.93

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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.