Home / 3,403.10-5,109.33-1,760.78

Finding the Fourth Proportional to 3,403.10, 5,109.33 and 1,760.78

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Solution

The fourth proportional to 3,403.10, 5,109.33 and 1,760.78 is: 2,643.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.10 : 5,109.33 = 1,760.78 : x
  2. Step 2: Convert to fraction form
    3,403.10/5,109.33 = 1,760.78/x
  3. Step 3: Cross multiply
    3,403.10x = 5,109.33 × 1,760.78
  4. Step 4: Simplify right side
    3,403.10x = 8,996,406.08
  5. Step 5: Solve for x
    x = 8,996,406.08/3,403.10
  6. Step 6: Final answer
    x = 2,643.59

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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.