Home / 3,103.49-4,655.53-1,155.23

Finding the Fourth Proportional to 3,103.49, 4,655.53 and 1,155.23

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Solution

The fourth proportional to 3,103.49, 4,655.53 and 1,155.23 is: 1,732.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.49 : 4,655.53 = 1,155.23 : x
  2. Step 2: Convert to fraction form
    3,103.49/4,655.53 = 1,155.23/x
  3. Step 3: Cross multiply
    3,103.49x = 4,655.53 × 1,155.23
  4. Step 4: Simplify right side
    3,103.49x = 5,378,207.92
  5. Step 5: Solve for x
    x = 5,378,207.92/3,103.49
  6. Step 6: Final answer
    x = 1,732.95

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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.