Home / 2,511.09-3,766.64-1,359.09

Finding the Fourth Proportional to 2,511.09, 3,766.64 and 1,359.09

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Solution

The fourth proportional to 2,511.09, 3,766.64 and 1,359.09 is: 2,038.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.09 : 3,766.64 = 1,359.09 : x
  2. Step 2: Convert to fraction form
    2,511.09/3,766.64 = 1,359.09/x
  3. Step 3: Cross multiply
    2,511.09x = 3,766.64 × 1,359.09
  4. Step 4: Simplify right side
    2,511.09x = 5,119,195.96
  5. Step 5: Solve for x
    x = 5,119,195.96/2,511.09
  6. Step 6: Final answer
    x = 2,038.64

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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.