Home / 3,619.28-4,996.99-2,425.80

Finding the Fourth Proportional to 3,619.28, 4,996.99 and 2,425.80

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Solution

The fourth proportional to 3,619.28, 4,996.99 and 2,425.80 is: 3,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.28 : 4,996.99 = 2,425.80 : x
  2. Step 2: Convert to fraction form
    3,619.28/4,996.99 = 2,425.80/x
  3. Step 3: Cross multiply
    3,619.28x = 4,996.99 × 2,425.80
  4. Step 4: Simplify right side
    3,619.28x = 12,121,698.34
  5. Step 5: Solve for x
    x = 12,121,698.34/3,619.28
  6. Step 6: Final answer
    x = 3,349.20

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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.