Home / 2,916.85-4,370.40-2,049.61

Finding the Fourth Proportional to 2,916.85, 4,370.40 and 2,049.61

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Solution

The fourth proportional to 2,916.85, 4,370.40 and 2,049.61 is: 3,070.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916.85 : 4,370.40 = 2,049.61 : x
  2. Step 2: Convert to fraction form
    2,916.85/4,370.40 = 2,049.61/x
  3. Step 3: Cross multiply
    2,916.85x = 4,370.40 × 2,049.61
  4. Step 4: Simplify right side
    2,916.85x = 8,957,615.54
  5. Step 5: Solve for x
    x = 8,957,615.54/2,916.85
  6. Step 6: Final answer
    x = 3,070.99

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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.