Home / 2,511.29-3,761.01-1,275.64

Finding the Fourth Proportional to 2,511.29, 3,761.01 and 1,275.64

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Solution

The fourth proportional to 2,511.29, 3,761.01 and 1,275.64 is: 1,910.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.29 : 3,761.01 = 1,275.64 : x
  2. Step 2: Convert to fraction form
    2,511.29/3,761.01 = 1,275.64/x
  3. Step 3: Cross multiply
    2,511.29x = 3,761.01 × 1,275.64
  4. Step 4: Simplify right side
    2,511.29x = 4,797,675.99
  5. Step 5: Solve for x
    x = 4,797,675.99/2,511.29
  6. Step 6: Final answer
    x = 1,910.44

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1.5x scale

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.