Home / 3,680.25-5,519.03-1,214.34

Finding the Fourth Proportional to 3,680.25, 5,519.03 and 1,214.34

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Solution

The fourth proportional to 3,680.25, 5,519.03 and 1,214.34 is: 1,821.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,680.25 : 5,519.03 = 1,214.34 : x
  2. Step 2: Convert to fraction form
    3,680.25/5,519.03 = 1,214.34/x
  3. Step 3: Cross multiply
    3,680.25x = 5,519.03 × 1,214.34
  4. Step 4: Simplify right side
    3,680.25x = 6,701,972.82
  5. Step 5: Solve for x
    x = 6,701,972.82/3,680.25
  6. Step 6: Final answer
    x = 1,821.06

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1.5x scale

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.