Home / 2,982.84-4,116.36-1,804.29

Finding the Fourth Proportional to 2,982.84, 4,116.36 and 1,804.29

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Solution

The fourth proportional to 2,982.84, 4,116.36 and 1,804.29 is: 2,489.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,982.84 : 4,116.36 = 1,804.29 : x
  2. Step 2: Convert to fraction form
    2,982.84/4,116.36 = 1,804.29/x
  3. Step 3: Cross multiply
    2,982.84x = 4,116.36 × 1,804.29
  4. Step 4: Simplify right side
    2,982.84x = 7,427,107.18
  5. Step 5: Solve for x
    x = 7,427,107.18/2,982.84
  6. Step 6: Final answer
    x = 2,489.94

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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.