Home / 3,947.88-5,916.06-2,854.56

Finding the Fourth Proportional to 3,947.88, 5,916.06 and 2,854.56

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Solution

The fourth proportional to 3,947.88, 5,916.06 and 2,854.56 is: 4,277.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,947.88 : 5,916.06 = 2,854.56 : x
  2. Step 2: Convert to fraction form
    3,947.88/5,916.06 = 2,854.56/x
  3. Step 3: Cross multiply
    3,947.88x = 5,916.06 × 2,854.56
  4. Step 4: Simplify right side
    3,947.88x = 16,887,748.23
  5. Step 5: Solve for x
    x = 16,887,748.23/3,947.88
  6. Step 6: Final answer
    x = 4,277.68

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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.