Home / 2,511.05-3,763.91-1,340.33

Finding the Fourth Proportional to 2,511.05, 3,763.91 and 1,340.33

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Solution

The fourth proportional to 2,511.05, 3,763.91 and 1,340.33 is: 2,009.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.05 : 3,763.91 = 1,340.33 : x
  2. Step 2: Convert to fraction form
    2,511.05/3,763.91 = 1,340.33/x
  3. Step 3: Cross multiply
    2,511.05x = 3,763.91 × 1,340.33
  4. Step 4: Simplify right side
    2,511.05x = 5,044,894.25
  5. Step 5: Solve for x
    x = 5,044,894.25/2,511.05
  6. Step 6: Final answer
    x = 2,009.08

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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.