Home / 3,125.54-4,308.62-2,239.76

Finding the Fourth Proportional to 3,125.54, 4,308.62 and 2,239.76

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Solution

The fourth proportional to 3,125.54, 4,308.62 and 2,239.76 is: 3,087.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.54 : 4,308.62 = 2,239.76 : x
  2. Step 2: Convert to fraction form
    3,125.54/4,308.62 = 2,239.76/x
  3. Step 3: Cross multiply
    3,125.54x = 4,308.62 × 2,239.76
  4. Step 4: Simplify right side
    3,125.54x = 9,650,274.73
  5. Step 5: Solve for x
    x = 9,650,274.73/3,125.54
  6. Step 6: Final answer
    x = 3,087.55

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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.