Home / 3,109.73-4,288.48-2,403.14

Finding the Fourth Proportional to 3,109.73, 4,288.48 and 2,403.14

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Solution

The fourth proportional to 3,109.73, 4,288.48 and 2,403.14 is: 3,314.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.73 : 4,288.48 = 2,403.14 : x
  2. Step 2: Convert to fraction form
    3,109.73/4,288.48 = 2,403.14/x
  3. Step 3: Cross multiply
    3,109.73x = 4,288.48 × 2,403.14
  4. Step 4: Simplify right side
    3,109.73x = 10,305,817.16
  5. Step 5: Solve for x
    x = 10,305,817.16/3,109.73
  6. Step 6: Final answer
    x = 3,314.06

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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.