Home / 2,334.48-3,221.52-1,286.54

Finding the Fourth Proportional to 2,334.48, 3,221.52 and 1,286.54

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Solution

The fourth proportional to 2,334.48, 3,221.52 and 1,286.54 is: 1,775.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,334.48 : 3,221.52 = 1,286.54 : x
  2. Step 2: Convert to fraction form
    2,334.48/3,221.52 = 1,286.54/x
  3. Step 3: Cross multiply
    2,334.48x = 3,221.52 × 1,286.54
  4. Step 4: Simplify right side
    2,334.48x = 4,144,598.23
  5. Step 5: Solve for x
    x = 4,144,598.23/2,334.48
  6. Step 6: Final answer
    x = 1,775.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.