Home / 2,109.16-3,163.65-1,248.94

Finding the Fourth Proportional to 2,109.16, 3,163.65 and 1,248.94

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Solution

The fourth proportional to 2,109.16, 3,163.65 and 1,248.94 is: 1,873.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109.16 : 3,163.65 = 1,248.94 : x
  2. Step 2: Convert to fraction form
    2,109.16/3,163.65 = 1,248.94/x
  3. Step 3: Cross multiply
    2,109.16x = 3,163.65 × 1,248.94
  4. Step 4: Simplify right side
    2,109.16x = 3,951,209.03
  5. Step 5: Solve for x
    x = 3,951,209.03/2,109.16
  6. Step 6: Final answer
    x = 1,873.36

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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.