Home / 3,106.08-4,659.39-1,025.64

Finding the Fourth Proportional to 3,106.08, 4,659.39 and 1,025.64

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Solution

The fourth proportional to 3,106.08, 4,659.39 and 1,025.64 is: 1,538.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,106.08 : 4,659.39 = 1,025.64 : x
  2. Step 2: Convert to fraction form
    3,106.08/4,659.39 = 1,025.64/x
  3. Step 3: Cross multiply
    3,106.08x = 4,659.39 × 1,025.64
  4. Step 4: Simplify right side
    3,106.08x = 4,778,856.76
  5. Step 5: Solve for x
    x = 4,778,856.76/3,106.08
  6. Step 6: Final answer
    x = 1,538.55

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1.5x scale

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.