Home / 2,486.22-3,722.85-1,511.70

Finding the Fourth Proportional to 2,486.22, 3,722.85 and 1,511.70

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Solution

The fourth proportional to 2,486.22, 3,722.85 and 1,511.70 is: 2,263.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,486.22 : 3,722.85 = 1,511.70 : x
  2. Step 2: Convert to fraction form
    2,486.22/3,722.85 = 1,511.70/x
  3. Step 3: Cross multiply
    2,486.22x = 3,722.85 × 1,511.70
  4. Step 4: Simplify right side
    2,486.22x = 5,627,832.35
  5. Step 5: Solve for x
    x = 5,627,832.35/2,486.22
  6. Step 6: Final answer
    x = 2,263.61

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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.