Home / 3,247.08-4,481.38-2,970.60

Finding the Fourth Proportional to 3,247.08, 4,481.38 and 2,970.60

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Solution

The fourth proportional to 3,247.08, 4,481.38 and 2,970.60 is: 4,099.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.08 : 4,481.38 = 2,970.60 : x
  2. Step 2: Convert to fraction form
    3,247.08/4,481.38 = 2,970.60/x
  3. Step 3: Cross multiply
    3,247.08x = 4,481.38 × 2,970.60
  4. Step 4: Simplify right side
    3,247.08x = 13,312,387.43
  5. Step 5: Solve for x
    x = 13,312,387.43/3,247.08
  6. Step 6: Final answer
    x = 4,099.80

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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.