Home / 3,103.28-4,653.11-1,022.72

Finding the Fourth Proportional to 3,103.28, 4,653.11 and 1,022.72

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Solution

The fourth proportional to 3,103.28, 4,653.11 and 1,022.72 is: 1,533.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.28 : 4,653.11 = 1,022.72 : x
  2. Step 2: Convert to fraction form
    3,103.28/4,653.11 = 1,022.72/x
  3. Step 3: Cross multiply
    3,103.28x = 4,653.11 × 1,022.72
  4. Step 4: Simplify right side
    3,103.28x = 4,758,828.66
  5. Step 5: Solve for x
    x = 4,758,828.66/3,103.28
  6. Step 6: Final answer
    x = 1,533.48

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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.