Home / 3,409.64-5,114.49-1,101.14

Finding the Fourth Proportional to 3,409.64, 5,114.49 and 1,101.14

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Solution

The fourth proportional to 3,409.64, 5,114.49 and 1,101.14 is: 1,651.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,409.64 : 5,114.49 = 1,101.14 : x
  2. Step 2: Convert to fraction form
    3,409.64/5,114.49 = 1,101.14/x
  3. Step 3: Cross multiply
    3,409.64x = 5,114.49 × 1,101.14
  4. Step 4: Simplify right side
    3,409.64x = 5,631,769.52
  5. Step 5: Solve for x
    x = 5,631,769.52/3,409.64
  6. Step 6: Final answer
    x = 1,651.72

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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.