Home / 2,231.58-3,347.40-1,062.12

Finding the Fourth Proportional to 2,231.58, 3,347.40 and 1,062.12

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Solution

The fourth proportional to 2,231.58, 3,347.40 and 1,062.12 is: 1,593.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.58 : 3,347.40 = 1,062.12 : x
  2. Step 2: Convert to fraction form
    2,231.58/3,347.40 = 1,062.12/x
  3. Step 3: Cross multiply
    2,231.58x = 3,347.40 × 1,062.12
  4. Step 4: Simplify right side
    2,231.58x = 3,555,340.49
  5. Step 5: Solve for x
    x = 3,555,340.49/2,231.58
  6. Step 6: Final answer
    x = 1,593.19

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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.