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Finding the Fourth Proportional to 3,999.80, 5,970.07 and 3,753.56

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Solution

The fourth proportional to 3,999.80, 5,970.07 and 3,753.56 is: 5,602.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.80 : 5,970.07 = 3,753.56 : x
  2. Step 2: Convert to fraction form
    3,999.80/5,970.07 = 3,753.56/x
  3. Step 3: Cross multiply
    3,999.80x = 5,970.07 × 3,753.56
  4. Step 4: Simplify right side
    3,999.80x = 22,409,015.95
  5. Step 5: Solve for x
    x = 22,409,015.95/3,999.80
  6. Step 6: Final answer
    x = 5,602.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.