Home / 3,405.52-5,114.76-2,116

Finding the Fourth Proportional to 3,405.52, 5,114.76 and 2,116

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Solution

The fourth proportional to 3,405.52, 5,114.76 and 2,116 is: 3,178.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.52 : 5,114.76 = 2,116 : x
  2. Step 2: Convert to fraction form
    3,405.52/5,114.76 = 2,116/x
  3. Step 3: Cross multiply
    3,405.52x = 5,114.76 × 2,116
  4. Step 4: Simplify right side
    3,405.52x = 10,822,832.16
  5. Step 5: Solve for x
    x = 10,822,832.16/3,405.52
  6. Step 6: Final answer
    x = 3,178.03

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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.