Home / 3,841.80-5,302.18-2,163.53

Finding the Fourth Proportional to 3,841.80, 5,302.18 and 2,163.53

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Solution

The fourth proportional to 3,841.80, 5,302.18 and 2,163.53 is: 2,985.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,841.80 : 5,302.18 = 2,163.53 : x
  2. Step 2: Convert to fraction form
    3,841.80/5,302.18 = 2,163.53/x
  3. Step 3: Cross multiply
    3,841.80x = 5,302.18 × 2,163.53
  4. Step 4: Simplify right side
    3,841.80x = 11,471,425.50
  5. Step 5: Solve for x
    x = 11,471,425.50/3,841.80
  6. Step 6: Final answer
    x = 2,985.95

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1.5x scale

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.