Home / 2,508.36-3,766-1,276.62

Finding the Fourth Proportional to 2,508.36, 3,766 and 1,276.62

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Solution

The fourth proportional to 2,508.36, 3,766 and 1,276.62 is: 1,916.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,508.36 : 3,766 = 1,276.62 : x
  2. Step 2: Convert to fraction form
    2,508.36/3,766 = 1,276.62/x
  3. Step 3: Cross multiply
    2,508.36x = 3,766 × 1,276.62
  4. Step 4: Simplify right side
    2,508.36x = 4,807,750.92
  5. Step 5: Solve for x
    x = 4,807,750.92/2,508.36
  6. Step 6: Final answer
    x = 1,916.69

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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.