Home / 1,996.20-2,995.02-899.73

Finding the Fourth Proportional to 1,996.20, 2,995.02 and 899.73

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Solution

The fourth proportional to 1,996.20, 2,995.02 and 899.73 is: 1,349.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,996.20 : 2,995.02 = 899.73 : x
  2. Step 2: Convert to fraction form
    1,996.20/2,995.02 = 899.73/x
  3. Step 3: Cross multiply
    1,996.20x = 2,995.02 × 899.73
  4. Step 4: Simplify right side
    1,996.20x = 2,694,709.34
  5. Step 5: Solve for x
    x = 2,694,709.34/1,996.20
  6. Step 6: Final answer
    x = 1,349.92

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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.