Home / 3,579.14-5,369.22-1,358.81

Finding the Fourth Proportional to 3,579.14, 5,369.22 and 1,358.81

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Solution

The fourth proportional to 3,579.14, 5,369.22 and 1,358.81 is: 2,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,579.14 : 5,369.22 = 1,358.81 : x
  2. Step 2: Convert to fraction form
    3,579.14/5,369.22 = 1,358.81/x
  3. Step 3: Cross multiply
    3,579.14x = 5,369.22 × 1,358.81
  4. Step 4: Simplify right side
    3,579.14x = 7,295,716.19
  5. Step 5: Solve for x
    x = 7,295,716.19/3,579.14
  6. Step 6: Final answer
    x = 2,038.40

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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.