Home / 3,990.36-5,985.32-1,524.07

Finding the Fourth Proportional to 3,990.36, 5,985.32 and 1,524.07

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Solution

The fourth proportional to 3,990.36, 5,985.32 and 1,524.07 is: 2,286.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990.36 : 5,985.32 = 1,524.07 : x
  2. Step 2: Convert to fraction form
    3,990.36/5,985.32 = 1,524.07/x
  3. Step 3: Cross multiply
    3,990.36x = 5,985.32 × 1,524.07
  4. Step 4: Simplify right side
    3,990.36x = 9,122,017.13
  5. Step 5: Solve for x
    x = 9,122,017.13/3,990.36
  6. Step 6: Final answer
    x = 2,286.01

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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.