Home / 3,134.24-4,694.96-1,485.78

Finding the Fourth Proportional to 3,134.24, 4,694.96 and 1,485.78

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Solution

The fourth proportional to 3,134.24, 4,694.96 and 1,485.78 is: 2,225.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.24 : 4,694.96 = 1,485.78 : x
  2. Step 2: Convert to fraction form
    3,134.24/4,694.96 = 1,485.78/x
  3. Step 3: Cross multiply
    3,134.24x = 4,694.96 × 1,485.78
  4. Step 4: Simplify right side
    3,134.24x = 6,975,670.24
  5. Step 5: Solve for x
    x = 6,975,670.24/3,134.24
  6. Step 6: Final answer
    x = 2,225.64

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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.