Home / 3,828.71-5,734.55-2,184.21

Finding the Fourth Proportional to 3,828.71, 5,734.55 and 2,184.21

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Solution

The fourth proportional to 3,828.71, 5,734.55 and 2,184.21 is: 3,271.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.71 : 5,734.55 = 2,184.21 : x
  2. Step 2: Convert to fraction form
    3,828.71/5,734.55 = 2,184.21/x
  3. Step 3: Cross multiply
    3,828.71x = 5,734.55 × 2,184.21
  4. Step 4: Simplify right side
    3,828.71x = 12,525,466.92
  5. Step 5: Solve for x
    x = 12,525,466.92/3,828.71
  6. Step 6: Final answer
    x = 3,271.46

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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.