Home / 3,439.83-5,156.22-1,358.99

Finding the Fourth Proportional to 3,439.83, 5,156.22 and 1,358.99

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Solution

The fourth proportional to 3,439.83, 5,156.22 and 1,358.99 is: 2,037.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,439.83 : 5,156.22 = 1,358.99 : x
  2. Step 2: Convert to fraction form
    3,439.83/5,156.22 = 1,358.99/x
  3. Step 3: Cross multiply
    3,439.83x = 5,156.22 × 1,358.99
  4. Step 4: Simplify right side
    3,439.83x = 7,007,244.62
  5. Step 5: Solve for x
    x = 7,007,244.62/3,439.83
  6. Step 6: Final answer
    x = 2,037.09

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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.