Home / 3,605.90-5,406.66-1,755.16

Finding the Fourth Proportional to 3,605.90, 5,406.66 and 1,755.16

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Solution

The fourth proportional to 3,605.90, 5,406.66 and 1,755.16 is: 2,631.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.90 : 5,406.66 = 1,755.16 : x
  2. Step 2: Convert to fraction form
    3,605.90/5,406.66 = 1,755.16/x
  3. Step 3: Cross multiply
    3,605.90x = 5,406.66 × 1,755.16
  4. Step 4: Simplify right side
    3,605.90x = 9,489,539.85
  5. Step 5: Solve for x
    x = 9,489,539.85/3,605.90
  6. Step 6: Final answer
    x = 2,631.67

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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.