Home / 2,489.69-3,735.49-1,102.06

Finding the Fourth Proportional to 2,489.69, 3,735.49 and 1,102.06

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Solution

The fourth proportional to 2,489.69, 3,735.49 and 1,102.06 is: 1,653.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,489.69 : 3,735.49 = 1,102.06 : x
  2. Step 2: Convert to fraction form
    2,489.69/3,735.49 = 1,102.06/x
  3. Step 3: Cross multiply
    2,489.69x = 3,735.49 × 1,102.06
  4. Step 4: Simplify right side
    2,489.69x = 4,116,728.60
  5. Step 5: Solve for x
    x = 4,116,728.60/2,489.69
  6. Step 6: Final answer
    x = 1,653.51

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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.