Home / 2,163.52-3,244.11-1,120.93

Finding the Fourth Proportional to 2,163.52, 3,244.11 and 1,120.93

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Solution

The fourth proportional to 2,163.52, 3,244.11 and 1,120.93 is: 1,680.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.52 : 3,244.11 = 1,120.93 : x
  2. Step 2: Convert to fraction form
    2,163.52/3,244.11 = 1,120.93/x
  3. Step 3: Cross multiply
    2,163.52x = 3,244.11 × 1,120.93
  4. Step 4: Simplify right side
    2,163.52x = 3,636,431.76
  5. Step 5: Solve for x
    x = 3,636,431.76/2,163.52
  6. Step 6: Final answer
    x = 1,680.80

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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.