Home / 3,914.80-5,874.09-2,455.18

Finding the Fourth Proportional to 3,914.80, 5,874.09 and 2,455.18

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Solution

The fourth proportional to 3,914.80, 5,874.09 and 2,455.18 is: 3,683.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.80 : 5,874.09 = 2,455.18 : x
  2. Step 2: Convert to fraction form
    3,914.80/5,874.09 = 2,455.18/x
  3. Step 3: Cross multiply
    3,914.80x = 5,874.09 × 2,455.18
  4. Step 4: Simplify right side
    3,914.80x = 14,421,948.29
  5. Step 5: Solve for x
    x = 14,421,948.29/3,914.80
  6. Step 6: Final answer
    x = 3,683.96

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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.