Home / 3,107.22-4,657.58-1,158.64

Finding the Fourth Proportional to 3,107.22, 4,657.58 and 1,158.64

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Solution

The fourth proportional to 3,107.22, 4,657.58 and 1,158.64 is: 1,736.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.22 : 4,657.58 = 1,158.64 : x
  2. Step 2: Convert to fraction form
    3,107.22/4,657.58 = 1,158.64/x
  3. Step 3: Cross multiply
    3,107.22x = 4,657.58 × 1,158.64
  4. Step 4: Simplify right side
    3,107.22x = 5,396,458.49
  5. Step 5: Solve for x
    x = 5,396,458.49/3,107.22
  6. Step 6: Final answer
    x = 1,736.75

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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.