Home / 3,411.09-5,118.26-1,102.59

Finding the Fourth Proportional to 3,411.09, 5,118.26 and 1,102.59

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Solution

The fourth proportional to 3,411.09, 5,118.26 and 1,102.59 is: 1,654.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.09 : 5,118.26 = 1,102.59 : x
  2. Step 2: Convert to fraction form
    3,411.09/5,118.26 = 1,102.59/x
  3. Step 3: Cross multiply
    3,411.09x = 5,118.26 × 1,102.59
  4. Step 4: Simplify right side
    3,411.09x = 5,643,362.18
  5. Step 5: Solve for x
    x = 5,643,362.18/3,411.09
  6. Step 6: Final answer
    x = 1,654.41

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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.