Home / 3,412.83-5,119.26-1,040.94

Finding the Fourth Proportional to 3,412.83, 5,119.26 and 1,040.94

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Solution

The fourth proportional to 3,412.83, 5,119.26 and 1,040.94 is: 1,561.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,412.83 : 5,119.26 = 1,040.94 : x
  2. Step 2: Convert to fraction form
    3,412.83/5,119.26 = 1,040.94/x
  3. Step 3: Cross multiply
    3,412.83x = 5,119.26 × 1,040.94
  4. Step 4: Simplify right side
    3,412.83x = 5,328,842.50
  5. Step 5: Solve for x
    x = 5,328,842.50/3,412.83
  6. Step 6: Final answer
    x = 1,561.41

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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.