Home / 2,996.02-4,493.49-2,126.80

Finding the Fourth Proportional to 2,996.02, 4,493.49 and 2,126.80

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Solution

The fourth proportional to 2,996.02, 4,493.49 and 2,126.80 is: 3,189.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.02 : 4,493.49 = 2,126.80 : x
  2. Step 2: Convert to fraction form
    2,996.02/4,493.49 = 2,126.80/x
  3. Step 3: Cross multiply
    2,996.02x = 4,493.49 × 2,126.80
  4. Step 4: Simplify right side
    2,996.02x = 9,556,754.53
  5. Step 5: Solve for x
    x = 9,556,754.53/2,996.02
  6. Step 6: Final answer
    x = 3,189.82

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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.