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Finding the Fourth Proportional to 3,999.33, 5,998.98 and 1,077.93

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Solution

The fourth proportional to 3,999.33, 5,998.98 and 1,077.93 is: 1,616.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.33 : 5,998.98 = 1,077.93 : x
  2. Step 2: Convert to fraction form
    3,999.33/5,998.98 = 1,077.93/x
  3. Step 3: Cross multiply
    3,999.33x = 5,998.98 × 1,077.93
  4. Step 4: Simplify right side
    3,999.33x = 6,466,480.51
  5. Step 5: Solve for x
    x = 6,466,480.51/3,999.33
  6. Step 6: Final answer
    x = 1,616.89

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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.