Home / 2,511.82-3,763.26-2,142.86

Finding the Fourth Proportional to 2,511.82, 3,763.26 and 2,142.86

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Solution

The fourth proportional to 2,511.82, 3,763.26 and 2,142.86 is: 3,210.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,511.82 : 3,763.26 = 2,142.86 : x
  2. Step 2: Convert to fraction form
    2,511.82/3,763.26 = 2,142.86/x
  3. Step 3: Cross multiply
    2,511.82x = 3,763.26 × 2,142.86
  4. Step 4: Simplify right side
    2,511.82x = 8,064,139.32
  5. Step 5: Solve for x
    x = 8,064,139.32/2,511.82
  6. Step 6: Final answer
    x = 3,210.48

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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.