Home / 2,135.97-3,202.37-1,440.69

Finding the Fourth Proportional to 2,135.97, 3,202.37 and 1,440.69

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Solution

The fourth proportional to 2,135.97, 3,202.37 and 1,440.69 is: 2,159.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.97 : 3,202.37 = 1,440.69 : x
  2. Step 2: Convert to fraction form
    2,135.97/3,202.37 = 1,440.69/x
  3. Step 3: Cross multiply
    2,135.97x = 3,202.37 × 1,440.69
  4. Step 4: Simplify right side
    2,135.97x = 4,613,622.44
  5. Step 5: Solve for x
    x = 4,613,622.44/2,135.97
  6. Step 6: Final answer
    x = 2,159.97

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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.