Home / 3,390.22-5,081.61-1,746.86

Finding the Fourth Proportional to 3,390.22, 5,081.61 and 1,746.86

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Solution

The fourth proportional to 3,390.22, 5,081.61 and 1,746.86 is: 2,618.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.22 : 5,081.61 = 1,746.86 : x
  2. Step 2: Convert to fraction form
    3,390.22/5,081.61 = 1,746.86/x
  3. Step 3: Cross multiply
    3,390.22x = 5,081.61 × 1,746.86
  4. Step 4: Simplify right side
    3,390.22x = 8,876,861.24
  5. Step 5: Solve for x
    x = 8,876,861.24/3,390.22
  6. Step 6: Final answer
    x = 2,618.37

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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.