Home / 2,147.85-2,963.34-1,263.87

Finding the Fourth Proportional to 2,147.85, 2,963.34 and 1,263.87

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Solution

The fourth proportional to 2,147.85, 2,963.34 and 1,263.87 is: 1,743.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.85 : 2,963.34 = 1,263.87 : x
  2. Step 2: Convert to fraction form
    2,147.85/2,963.34 = 1,263.87/x
  3. Step 3: Cross multiply
    2,147.85x = 2,963.34 × 1,263.87
  4. Step 4: Simplify right side
    2,147.85x = 3,745,276.53
  5. Step 5: Solve for x
    x = 3,745,276.53/2,147.85
  6. Step 6: Final answer
    x = 1,743.73

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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.