Home / 3,410.19-5,112.70-1,765.69

Finding the Fourth Proportional to 3,410.19, 5,112.70 and 1,765.69

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Solution

The fourth proportional to 3,410.19, 5,112.70 and 1,765.69 is: 2,647.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,410.19 : 5,112.70 = 1,765.69 : x
  2. Step 2: Convert to fraction form
    3,410.19/5,112.70 = 1,765.69/x
  3. Step 3: Cross multiply
    3,410.19x = 5,112.70 × 1,765.69
  4. Step 4: Simplify right side
    3,410.19x = 9,027,426.07
  5. Step 5: Solve for x
    x = 9,027,426.07/3,410.19
  6. Step 6: Final answer
    x = 2,647.19

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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.