Home / 2,231.14-3,342.75-1,903.18

Finding the Fourth Proportional to 2,231.14, 3,342.75 and 1,903.18

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Solution

The fourth proportional to 2,231.14, 3,342.75 and 1,903.18 is: 2,851.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,231.14 : 3,342.75 = 1,903.18 : x
  2. Step 2: Convert to fraction form
    2,231.14/3,342.75 = 1,903.18/x
  3. Step 3: Cross multiply
    2,231.14x = 3,342.75 × 1,903.18
  4. Step 4: Simplify right side
    2,231.14x = 6,361,854.95
  5. Step 5: Solve for x
    x = 6,361,854.95/2,231.14
  6. Step 6: Final answer
    x = 2,851.39

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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.