Home / 3,679.90-5,520.23-1,214.73

Finding the Fourth Proportional to 3,679.90, 5,520.23 and 1,214.73

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Solution

The fourth proportional to 3,679.90, 5,520.23 and 1,214.73 is: 1,822.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,679.90 : 5,520.23 = 1,214.73 : x
  2. Step 2: Convert to fraction form
    3,679.90/5,520.23 = 1,214.73/x
  3. Step 3: Cross multiply
    3,679.90x = 5,520.23 × 1,214.73
  4. Step 4: Simplify right side
    3,679.90x = 6,705,588.99
  5. Step 5: Solve for x
    x = 6,705,588.99/3,679.90
  6. Step 6: Final answer
    x = 1,822.22

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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.