Home / 3,320.39-4,579.74-3,083.87

Finding the Fourth Proportional to 3,320.39, 4,579.74 and 3,083.87

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Solution

The fourth proportional to 3,320.39, 4,579.74 and 3,083.87 is: 4,253.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.39 : 4,579.74 = 3,083.87 : x
  2. Step 2: Convert to fraction form
    3,320.39/4,579.74 = 3,083.87/x
  3. Step 3: Cross multiply
    3,320.39x = 4,579.74 × 3,083.87
  4. Step 4: Simplify right side
    3,320.39x = 14,123,334.24
  5. Step 5: Solve for x
    x = 14,123,334.24/3,320.39
  6. Step 6: Final answer
    x = 4,253.51

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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.