Home / 2,916.79-4,370.32-2,049.55

Finding the Fourth Proportional to 2,916.79, 4,370.32 and 2,049.55

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Solution

The fourth proportional to 2,916.79, 4,370.32 and 2,049.55 is: 3,070.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.79 : 4,370.32 = 2,049.55 : x
  2. Step 2: Convert to fraction form
    2,916.79/4,370.32 = 2,049.55/x
  3. Step 3: Cross multiply
    2,916.79x = 4,370.32 × 2,049.55
  4. Step 4: Simplify right side
    2,916.79x = 8,957,180.99
  5. Step 5: Solve for x
    x = 8,957,180.99/2,916.79
  6. Step 6: Final answer
    x = 3,070.91

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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.