Home / 3,679.01-5,519.33-1,213.66

Finding the Fourth Proportional to 3,679.01, 5,519.33 and 1,213.66

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Solution

The fourth proportional to 3,679.01, 5,519.33 and 1,213.66 is: 1,820.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.01 : 5,519.33 = 1,213.66 : x
  2. Step 2: Convert to fraction form
    3,679.01/5,519.33 = 1,213.66/x
  3. Step 3: Cross multiply
    3,679.01x = 5,519.33 × 1,213.66
  4. Step 4: Simplify right side
    3,679.01x = 6,698,590.05
  5. Step 5: Solve for x
    x = 6,698,590.05/3,679.01
  6. Step 6: Final answer
    x = 1,820.76

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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.