Home / 3,107.19-4,659.27-1,105.22

Finding the Fourth Proportional to 3,107.19, 4,659.27 and 1,105.22

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Solution

The fourth proportional to 3,107.19, 4,659.27 and 1,105.22 is: 1,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107.19 : 4,659.27 = 1,105.22 : x
  2. Step 2: Convert to fraction form
    3,107.19/4,659.27 = 1,105.22/x
  3. Step 3: Cross multiply
    3,107.19x = 4,659.27 × 1,105.22
  4. Step 4: Simplify right side
    3,107.19x = 5,149,495.09
  5. Step 5: Solve for x
    x = 5,149,495.09/3,107.19
  6. Step 6: Final answer
    x = 1,657.28

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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.