Home / 3,429.26-5,142.83-1,237.70

Finding the Fourth Proportional to 3,429.26, 5,142.83 and 1,237.70

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Solution

The fourth proportional to 3,429.26, 5,142.83 and 1,237.70 is: 1,856.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,429.26 : 5,142.83 = 1,237.70 : x
  2. Step 2: Convert to fraction form
    3,429.26/5,142.83 = 1,237.70/x
  3. Step 3: Cross multiply
    3,429.26x = 5,142.83 × 1,237.70
  4. Step 4: Simplify right side
    3,429.26x = 6,365,280.69
  5. Step 5: Solve for x
    x = 6,365,280.69/3,429.26
  6. Step 6: Final answer
    x = 1,856.17

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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.