Home / 3,699.20-5,550.36-1,619.66

Finding the Fourth Proportional to 3,699.20, 5,550.36 and 1,619.66

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Solution

The fourth proportional to 3,699.20, 5,550.36 and 1,619.66 is: 2,430.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,699.20 : 5,550.36 = 1,619.66 : x
  2. Step 2: Convert to fraction form
    3,699.20/5,550.36 = 1,619.66/x
  3. Step 3: Cross multiply
    3,699.20x = 5,550.36 × 1,619.66
  4. Step 4: Simplify right side
    3,699.20x = 8,989,696.08
  5. Step 5: Solve for x
    x = 8,989,696.08/3,699.20
  6. Step 6: Final answer
    x = 2,430.17

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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.