Home / 3,451.96-5,175.10-1,259.29

Finding the Fourth Proportional to 3,451.96, 5,175.10 and 1,259.29

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Solution

The fourth proportional to 3,451.96, 5,175.10 and 1,259.29 is: 1,887.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.96 : 5,175.10 = 1,259.29 : x
  2. Step 2: Convert to fraction form
    3,451.96/5,175.10 = 1,259.29/x
  3. Step 3: Cross multiply
    3,451.96x = 5,175.10 × 1,259.29
  4. Step 4: Simplify right side
    3,451.96x = 6,516,951.68
  5. Step 5: Solve for x
    x = 6,516,951.68/3,451.96
  6. Step 6: Final answer
    x = 1,887.90

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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.