Home / 1,916.50-2,877.18-1,629.76

Finding the Fourth Proportional to 1,916.50, 2,877.18 and 1,629.76

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Solution

The fourth proportional to 1,916.50, 2,877.18 and 1,629.76 is: 2,446.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916.50 : 2,877.18 = 1,629.76 : x
  2. Step 2: Convert to fraction form
    1,916.50/2,877.18 = 1,629.76/x
  3. Step 3: Cross multiply
    1,916.50x = 2,877.18 × 1,629.76
  4. Step 4: Simplify right side
    1,916.50x = 4,689,112.88
  5. Step 5: Solve for x
    x = 4,689,112.88/1,916.50
  6. Step 6: Final answer
    x = 2,446.71

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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.