Home / 3,163.70-4,365.20-1,836.63

Finding the Fourth Proportional to 3,163.70, 4,365.20 and 1,836.63

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Solution

The fourth proportional to 3,163.70, 4,365.20 and 1,836.63 is: 2,534.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.70 : 4,365.20 = 1,836.63 : x
  2. Step 2: Convert to fraction form
    3,163.70/4,365.20 = 1,836.63/x
  3. Step 3: Cross multiply
    3,163.70x = 4,365.20 × 1,836.63
  4. Step 4: Simplify right side
    3,163.70x = 8,017,248.09
  5. Step 5: Solve for x
    x = 8,017,248.09/3,163.70
  6. Step 6: Final answer
    x = 2,534.14

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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.