Home / 3,247.20-4,867.32-1,685.64

Finding the Fourth Proportional to 3,247.20, 4,867.32 and 1,685.64

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Solution

The fourth proportional to 3,247.20, 4,867.32 and 1,685.64 is: 2,526.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,247.20 : 4,867.32 = 1,685.64 : x
  2. Step 2: Convert to fraction form
    3,247.20/4,867.32 = 1,685.64/x
  3. Step 3: Cross multiply
    3,247.20x = 4,867.32 × 1,685.64
  4. Step 4: Simplify right side
    3,247.20x = 8,204,549.28
  5. Step 5: Solve for x
    x = 8,204,549.28/3,247.20
  6. Step 6: Final answer
    x = 2,526.65

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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.