Home / 3,103.32-4,655.04-1,155.13

Finding the Fourth Proportional to 3,103.32, 4,655.04 and 1,155.13

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Solution

The fourth proportional to 3,103.32, 4,655.04 and 1,155.13 is: 1,732.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,103.32 : 4,655.04 = 1,155.13 : x
  2. Step 2: Convert to fraction form
    3,103.32/4,655.04 = 1,155.13/x
  3. Step 3: Cross multiply
    3,103.32x = 4,655.04 × 1,155.13
  4. Step 4: Simplify right side
    3,103.32x = 5,377,176.36
  5. Step 5: Solve for x
    x = 5,377,176.36/3,103.32
  6. Step 6: Final answer
    x = 1,732.72

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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.