Home / 3,260.22-4,887.95-2,091.55

Finding the Fourth Proportional to 3,260.22, 4,887.95 and 2,091.55

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Solution

The fourth proportional to 3,260.22, 4,887.95 and 2,091.55 is: 3,135.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.22 : 4,887.95 = 2,091.55 : x
  2. Step 2: Convert to fraction form
    3,260.22/4,887.95 = 2,091.55/x
  3. Step 3: Cross multiply
    3,260.22x = 4,887.95 × 2,091.55
  4. Step 4: Simplify right side
    3,260.22x = 10,223,364.56
  5. Step 5: Solve for x
    x = 10,223,364.56/3,260.22
  6. Step 6: Final answer
    x = 3,135.79

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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.