Home / 3,013.89-4,519.60-1,916.74

Finding the Fourth Proportional to 3,013.89, 4,519.60 and 1,916.74

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Solution

The fourth proportional to 3,013.89, 4,519.60 and 1,916.74 is: 2,874.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,013.89 : 4,519.60 = 1,916.74 : x
  2. Step 2: Convert to fraction form
    3,013.89/4,519.60 = 1,916.74/x
  3. Step 3: Cross multiply
    3,013.89x = 4,519.60 × 1,916.74
  4. Step 4: Simplify right side
    3,013.89x = 8,662,898.10
  5. Step 5: Solve for x
    x = 8,662,898.10/3,013.89
  6. Step 6: Final answer
    x = 2,874.32

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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.