Home / 3,103.22-4,653.57-1,155.56

Finding the Fourth Proportional to 3,103.22, 4,653.57 and 1,155.56

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Solution

The fourth proportional to 3,103.22, 4,653.57 and 1,155.56 is: 1,732.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.22 : 4,653.57 = 1,155.56 : x
  2. Step 2: Convert to fraction form
    3,103.22/4,653.57 = 1,155.56/x
  3. Step 3: Cross multiply
    3,103.22x = 4,653.57 × 1,155.56
  4. Step 4: Simplify right side
    3,103.22x = 5,377,479.35
  5. Step 5: Solve for x
    x = 5,377,479.35/3,103.22
  6. Step 6: Final answer
    x = 1,732.87

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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.