Home / 3,412.70-5,110.83-1,947.41

Finding the Fourth Proportional to 3,412.70, 5,110.83 and 1,947.41

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Solution

The fourth proportional to 3,412.70, 5,110.83 and 1,947.41 is: 2,916.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.70 : 5,110.83 = 1,947.41 : x
  2. Step 2: Convert to fraction form
    3,412.70/5,110.83 = 1,947.41/x
  3. Step 3: Cross multiply
    3,412.70x = 5,110.83 × 1,947.41
  4. Step 4: Simplify right side
    3,412.70x = 9,952,881.45
  5. Step 5: Solve for x
    x = 9,952,881.45/3,412.70
  6. Step 6: Final answer
    x = 2,916.42

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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.