Home / 3,245.02-4,468.69-2,819.45

Finding the Fourth Proportional to 3,245.02, 4,468.69 and 2,819.45

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Solution

The fourth proportional to 3,245.02, 4,468.69 and 2,819.45 is: 3,882.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,245.02 : 4,468.69 = 2,819.45 : x
  2. Step 2: Convert to fraction form
    3,245.02/4,468.69 = 2,819.45/x
  3. Step 3: Cross multiply
    3,245.02x = 4,468.69 × 2,819.45
  4. Step 4: Simplify right side
    3,245.02x = 12,599,225.68
  5. Step 5: Solve for x
    x = 12,599,225.68/3,245.02
  6. Step 6: Final answer
    x = 3,882.64

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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.