Home / 3,086.07-4,258.79-1,759.80

Finding the Fourth Proportional to 3,086.07, 4,258.79 and 1,759.80

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Solution

The fourth proportional to 3,086.07, 4,258.79 and 1,759.80 is: 2,428.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.07 : 4,258.79 = 1,759.80 : x
  2. Step 2: Convert to fraction form
    3,086.07/4,258.79 = 1,759.80/x
  3. Step 3: Cross multiply
    3,086.07x = 4,258.79 × 1,759.80
  4. Step 4: Simplify right side
    3,086.07x = 7,494,618.64
  5. Step 5: Solve for x
    x = 7,494,618.64/3,086.07
  6. Step 6: Final answer
    x = 2,428.53

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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.