Home / 3,163.13-4,365.78-1,836.75

Finding the Fourth Proportional to 3,163.13, 4,365.78 and 1,836.75

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Solution

The fourth proportional to 3,163.13, 4,365.78 and 1,836.75 is: 2,535.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.13 : 4,365.78 = 1,836.75 : x
  2. Step 2: Convert to fraction form
    3,163.13/4,365.78 = 1,836.75/x
  3. Step 3: Cross multiply
    3,163.13x = 4,365.78 × 1,836.75
  4. Step 4: Simplify right side
    3,163.13x = 8,018,866.23
  5. Step 5: Solve for x
    x = 8,018,866.23/3,163.13
  6. Step 6: Final answer
    x = 2,535.11

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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.