Home / 3,143.56-4,716.96-1,499.26

Finding the Fourth Proportional to 3,143.56, 4,716.96 and 1,499.26

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Solution

The fourth proportional to 3,143.56, 4,716.96 and 1,499.26 is: 2,249.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.56 : 4,716.96 = 1,499.26 : x
  2. Step 2: Convert to fraction form
    3,143.56/4,716.96 = 1,499.26/x
  3. Step 3: Cross multiply
    3,143.56x = 4,716.96 × 1,499.26
  4. Step 4: Simplify right side
    3,143.56x = 7,071,949.45
  5. Step 5: Solve for x
    x = 7,071,949.45/3,143.56
  6. Step 6: Final answer
    x = 2,249.66

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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.