Home / 4,190.22-5,782.68-2,511.31

Finding the Fourth Proportional to 4,190.22, 5,782.68 and 2,511.31

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Solution

The fourth proportional to 4,190.22, 5,782.68 and 2,511.31 is: 3,465.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,190.22 : 5,782.68 = 2,511.31 : x
  2. Step 2: Convert to fraction form
    4,190.22/5,782.68 = 2,511.31/x
  3. Step 3: Cross multiply
    4,190.22x = 5,782.68 × 2,511.31
  4. Step 4: Simplify right side
    4,190.22x = 14,522,102.11
  5. Step 5: Solve for x
    x = 14,522,102.11/4,190.22
  6. Step 6: Final answer
    x = 3,465.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.