Home / 3,114.08-4,294.68-2,405.96

Finding the Fourth Proportional to 3,114.08, 4,294.68 and 2,405.96

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Solution

The fourth proportional to 3,114.08, 4,294.68 and 2,405.96 is: 3,318.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,114.08 : 4,294.68 = 2,405.96 : x
  2. Step 2: Convert to fraction form
    3,114.08/4,294.68 = 2,405.96/x
  3. Step 3: Cross multiply
    3,114.08x = 4,294.68 × 2,405.96
  4. Step 4: Simplify right side
    3,114.08x = 10,332,828.29
  5. Step 5: Solve for x
    x = 10,332,828.29/3,114.08
  6. Step 6: Final answer
    x = 3,318.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.