Home / 2,292.60-3,163.76-1,297.87

Finding the Fourth Proportional to 2,292.60, 3,163.76 and 1,297.87

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Solution

The fourth proportional to 2,292.60, 3,163.76 and 1,297.87 is: 1,791.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,292.60 : 3,163.76 = 1,297.87 : x
  2. Step 2: Convert to fraction form
    2,292.60/3,163.76 = 1,297.87/x
  3. Step 3: Cross multiply
    2,292.60x = 3,163.76 × 1,297.87
  4. Step 4: Simplify right side
    2,292.60x = 4,106,157.46
  5. Step 5: Solve for x
    x = 4,106,157.46/2,292.60
  6. Step 6: Final answer
    x = 1,791.05

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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.