Home / 3,318.75-4,579.89-3,039.93

Finding the Fourth Proportional to 3,318.75, 4,579.89 and 3,039.93

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Solution

The fourth proportional to 3,318.75, 4,579.89 and 3,039.93 is: 4,195.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.75 : 4,579.89 = 3,039.93 : x
  2. Step 2: Convert to fraction form
    3,318.75/4,579.89 = 3,039.93/x
  3. Step 3: Cross multiply
    3,318.75x = 4,579.89 × 3,039.93
  4. Step 4: Simplify right side
    3,318.75x = 13,922,545.01
  5. Step 5: Solve for x
    x = 13,922,545.01/3,318.75
  6. Step 6: Final answer
    x = 4,195.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.