Home / 3,057.96-4,585.56-1,208.78

Finding the Fourth Proportional to 3,057.96, 4,585.56 and 1,208.78

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Solution

The fourth proportional to 3,057.96, 4,585.56 and 1,208.78 is: 1,812.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.96 : 4,585.56 = 1,208.78 : x
  2. Step 2: Convert to fraction form
    3,057.96/4,585.56 = 1,208.78/x
  3. Step 3: Cross multiply
    3,057.96x = 4,585.56 × 1,208.78
  4. Step 4: Simplify right side
    3,057.96x = 5,542,933.22
  5. Step 5: Solve for x
    x = 5,542,933.22/3,057.96
  6. Step 6: Final answer
    x = 1,812.62

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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.