Home / 2,107.44-3,160.08-1,230.22

Finding the Fourth Proportional to 2,107.44, 3,160.08 and 1,230.22

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Solution

The fourth proportional to 2,107.44, 3,160.08 and 1,230.22 is: 1,844.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,107.44 : 3,160.08 = 1,230.22 : x
  2. Step 2: Convert to fraction form
    2,107.44/3,160.08 = 1,230.22/x
  3. Step 3: Cross multiply
    2,107.44x = 3,160.08 × 1,230.22
  4. Step 4: Simplify right side
    2,107.44x = 3,887,593.62
  5. Step 5: Solve for x
    x = 3,887,593.62/2,107.44
  6. Step 6: Final answer
    x = 1,844.70

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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.