Home / 2,163.25-3,244.57-1,235.80

Finding the Fourth Proportional to 2,163.25, 3,244.57 and 1,235.80

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Solution

The fourth proportional to 2,163.25, 3,244.57 and 1,235.80 is: 1,853.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,163.25 : 3,244.57 = 1,235.80 : x
  2. Step 2: Convert to fraction form
    2,163.25/3,244.57 = 1,235.80/x
  3. Step 3: Cross multiply
    2,163.25x = 3,244.57 × 1,235.80
  4. Step 4: Simplify right side
    2,163.25x = 4,009,639.61
  5. Step 5: Solve for x
    x = 4,009,639.61/2,163.25
  6. Step 6: Final answer
    x = 1,853.53

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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.