Home / 3,464.54-5,190.65-1,983.70

Finding the Fourth Proportional to 3,464.54, 5,190.65 and 1,983.70

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Solution

The fourth proportional to 3,464.54, 5,190.65 and 1,983.70 is: 2,972.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,464.54 : 5,190.65 = 1,983.70 : x
  2. Step 2: Convert to fraction form
    3,464.54/5,190.65 = 1,983.70/x
  3. Step 3: Cross multiply
    3,464.54x = 5,190.65 × 1,983.70
  4. Step 4: Simplify right side
    3,464.54x = 10,296,669.51
  5. Step 5: Solve for x
    x = 10,296,669.51/3,464.54
  6. Step 6: Final answer
    x = 2,972.02

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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.