Home / 2,916.45-4,375.30-1,067.56

Finding the Fourth Proportional to 2,916.45, 4,375.30 and 1,067.56

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Solution

The fourth proportional to 2,916.45, 4,375.30 and 1,067.56 is: 1,601.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.45 : 4,375.30 = 1,067.56 : x
  2. Step 2: Convert to fraction form
    2,916.45/4,375.30 = 1,067.56/x
  3. Step 3: Cross multiply
    2,916.45x = 4,375.30 × 1,067.56
  4. Step 4: Simplify right side
    2,916.45x = 4,670,895.27
  5. Step 5: Solve for x
    x = 4,670,895.27/2,916.45
  6. Step 6: Final answer
    x = 1,601.57

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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.