Home / 3,106.08-4,659.12-1,789.02

Finding the Fourth Proportional to 3,106.08, 4,659.12 and 1,789.02

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Solution

The fourth proportional to 3,106.08, 4,659.12 and 1,789.02 is: 2,683.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.08 : 4,659.12 = 1,789.02 : x
  2. Step 2: Convert to fraction form
    3,106.08/4,659.12 = 1,789.02/x
  3. Step 3: Cross multiply
    3,106.08x = 4,659.12 × 1,789.02
  4. Step 4: Simplify right side
    3,106.08x = 8,335,258.86
  5. Step 5: Solve for x
    x = 8,335,258.86/3,106.08
  6. Step 6: Final answer
    x = 2,683.53

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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.