Home / 2,916.56-4,372.26-1,993.88

Finding the Fourth Proportional to 2,916.56, 4,372.26 and 1,993.88

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Solution

The fourth proportional to 2,916.56, 4,372.26 and 1,993.88 is: 2,989.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.56 : 4,372.26 = 1,993.88 : x
  2. Step 2: Convert to fraction form
    2,916.56/4,372.26 = 1,993.88/x
  3. Step 3: Cross multiply
    2,916.56x = 4,372.26 × 1,993.88
  4. Step 4: Simplify right side
    2,916.56x = 8,717,761.77
  5. Step 5: Solve for x
    x = 8,717,761.77/2,916.56
  6. Step 6: Final answer
    x = 2,989.06

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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.