Home / 3,495.89-5,243.80-1,645.99

Finding the Fourth Proportional to 3,495.89, 5,243.80 and 1,645.99

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Solution

The fourth proportional to 3,495.89, 5,243.80 and 1,645.99 is: 2,468.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.89 : 5,243.80 = 1,645.99 : x
  2. Step 2: Convert to fraction form
    3,495.89/5,243.80 = 1,645.99/x
  3. Step 3: Cross multiply
    3,495.89x = 5,243.80 × 1,645.99
  4. Step 4: Simplify right side
    3,495.89x = 8,631,242.36
  5. Step 5: Solve for x
    x = 8,631,242.36/3,495.89
  6. Step 6: Final answer
    x = 2,468.97

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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.