Home / 2,956.83-4,436.79-1,916.56

Finding the Fourth Proportional to 2,956.83, 4,436.79 and 1,916.56

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Solution

The fourth proportional to 2,956.83, 4,436.79 and 1,916.56 is: 2,875.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,956.83 : 4,436.79 = 1,916.56 : x
  2. Step 2: Convert to fraction form
    2,956.83/4,436.79 = 1,916.56/x
  3. Step 3: Cross multiply
    2,956.83x = 4,436.79 × 1,916.56
  4. Step 4: Simplify right side
    2,956.83x = 8,503,372.60
  5. Step 5: Solve for x
    x = 8,503,372.60/2,956.83
  6. Step 6: Final answer
    x = 2,875.84

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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.