Home / 3,390.20-5,083.32-1,441.40

Finding the Fourth Proportional to 3,390.20, 5,083.32 and 1,441.40

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Solution

The fourth proportional to 3,390.20, 5,083.32 and 1,441.40 is: 2,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390.20 : 5,083.32 = 1,441.40 : x
  2. Step 2: Convert to fraction form
    3,390.20/5,083.32 = 1,441.40/x
  3. Step 3: Cross multiply
    3,390.20x = 5,083.32 × 1,441.40
  4. Step 4: Simplify right side
    3,390.20x = 7,327,097.45
  5. Step 5: Solve for x
    x = 7,327,097.45/3,390.20
  6. Step 6: Final answer
    x = 2,161.26

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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.