Home / 3,066.92-4,231.38-1,887.56

Finding the Fourth Proportional to 3,066.92, 4,231.38 and 1,887.56

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Solution

The fourth proportional to 3,066.92, 4,231.38 and 1,887.56 is: 2,604.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,066.92 : 4,231.38 = 1,887.56 : x
  2. Step 2: Convert to fraction form
    3,066.92/4,231.38 = 1,887.56/x
  3. Step 3: Cross multiply
    3,066.92x = 4,231.38 × 1,887.56
  4. Step 4: Simplify right side
    3,066.92x = 7,986,983.63
  5. Step 5: Solve for x
    x = 7,986,983.63/3,066.92
  6. Step 6: Final answer
    x = 2,604.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.