Home / 2,163.95-3,247.68-1,124.27

Finding the Fourth Proportional to 2,163.95, 3,247.68 and 1,124.27

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Solution

The fourth proportional to 2,163.95, 3,247.68 and 1,124.27 is: 1,687.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.95 : 3,247.68 = 1,124.27 : x
  2. Step 2: Convert to fraction form
    2,163.95/3,247.68 = 1,124.27/x
  3. Step 3: Cross multiply
    2,163.95x = 3,247.68 × 1,124.27
  4. Step 4: Simplify right side
    2,163.95x = 3,651,252.96
  5. Step 5: Solve for x
    x = 3,651,252.96/2,163.95
  6. Step 6: Final answer
    x = 1,687.31

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1.5x scale

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.