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Finding the Fourth Proportional to 3,999.35, 5,999.43 and 1,536.23

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Solution

The fourth proportional to 3,999.35, 5,999.43 and 1,536.23 is: 2,304.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999.35 : 5,999.43 = 1,536.23 : x
  2. Step 2: Convert to fraction form
    3,999.35/5,999.43 = 1,536.23/x
  3. Step 3: Cross multiply
    3,999.35x = 5,999.43 × 1,536.23
  4. Step 4: Simplify right side
    3,999.35x = 9,216,504.35
  5. Step 5: Solve for x
    x = 9,216,504.35/3,999.35
  6. Step 6: Final answer
    x = 2,304.50

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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.