Home / 3,880.31-5,820.57-1,283.25

Finding the Fourth Proportional to 3,880.31, 5,820.57 and 1,283.25

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Solution

The fourth proportional to 3,880.31, 5,820.57 and 1,283.25 is: 1,924.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,880.31 : 5,820.57 = 1,283.25 : x
  2. Step 2: Convert to fraction form
    3,880.31/5,820.57 = 1,283.25/x
  3. Step 3: Cross multiply
    3,880.31x = 5,820.57 × 1,283.25
  4. Step 4: Simplify right side
    3,880.31x = 7,469,246.45
  5. Step 5: Solve for x
    x = 7,469,246.45/3,880.31
  6. Step 6: Final answer
    x = 1,924.91

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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.