Home / 3,610.40-4,982.56-2,039.04

Finding the Fourth Proportional to 3,610.40, 4,982.56 and 2,039.04

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Solution

The fourth proportional to 3,610.40, 4,982.56 and 2,039.04 is: 2,813.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.40 : 4,982.56 = 2,039.04 : x
  2. Step 2: Convert to fraction form
    3,610.40/4,982.56 = 2,039.04/x
  3. Step 3: Cross multiply
    3,610.40x = 4,982.56 × 2,039.04
  4. Step 4: Simplify right side
    3,610.40x = 10,159,639.14
  5. Step 5: Solve for x
    x = 10,159,639.14/3,610.40
  6. Step 6: Final answer
    x = 2,813.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.