Home / 2,255.70-3,383.51-1,159.42

Finding the Fourth Proportional to 2,255.70, 3,383.51 and 1,159.42

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Solution

The fourth proportional to 2,255.70, 3,383.51 and 1,159.42 is: 1,739.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.70 : 3,383.51 = 1,159.42 : x
  2. Step 2: Convert to fraction form
    2,255.70/3,383.51 = 1,159.42/x
  3. Step 3: Cross multiply
    2,255.70x = 3,383.51 × 1,159.42
  4. Step 4: Simplify right side
    2,255.70x = 3,922,909.16
  5. Step 5: Solve for x
    x = 3,922,909.16/2,255.70
  6. Step 6: Final answer
    x = 1,739.11

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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.