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Finding the Fourth Proportional to 3,801.58, 5,694.46 and 1,947.08

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Solution

The fourth proportional to 3,801.58, 5,694.46 and 1,947.08 is: 2,916.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,801.58 : 5,694.46 = 1,947.08 : x
  2. Step 2: Convert to fraction form
    3,801.58/5,694.46 = 1,947.08/x
  3. Step 3: Cross multiply
    3,801.58x = 5,694.46 × 1,947.08
  4. Step 4: Simplify right side
    3,801.58x = 11,087,569.18
  5. Step 5: Solve for x
    x = 11,087,569.18/3,801.58
  6. Step 6: Final answer
    x = 2,916.57

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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.