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Finding the Fourth Proportional to 3,999.30, 5,996.07 and 1,777.02

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Solution

The fourth proportional to 3,999.30, 5,996.07 and 1,777.02 is: 2,664.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.30 : 5,996.07 = 1,777.02 : x
  2. Step 2: Convert to fraction form
    3,999.30/5,996.07 = 1,777.02/x
  3. Step 3: Cross multiply
    3,999.30x = 5,996.07 × 1,777.02
  4. Step 4: Simplify right side
    3,999.30x = 10,655,136.31
  5. Step 5: Solve for x
    x = 10,655,136.31/3,999.30
  6. Step 6: Final answer
    x = 2,664.25

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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.