Home / 3,086.22-4,258.81-1,759.92

Finding the Fourth Proportional to 3,086.22, 4,258.81 and 1,759.92

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Solution

The fourth proportional to 3,086.22, 4,258.81 and 1,759.92 is: 2,428.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.22 : 4,258.81 = 1,759.92 : x
  2. Step 2: Convert to fraction form
    3,086.22/4,258.81 = 1,759.92/x
  3. Step 3: Cross multiply
    3,086.22x = 4,258.81 × 1,759.92
  4. Step 4: Simplify right side
    3,086.22x = 7,495,164.90
  5. Step 5: Solve for x
    x = 7,495,164.90/3,086.22
  6. Step 6: Final answer
    x = 2,428.59

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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.