Home / 2,828.20-3,903.44-1,766.44

Finding the Fourth Proportional to 2,828.20, 3,903.44 and 1,766.44

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Solution

The fourth proportional to 2,828.20, 3,903.44 and 1,766.44 is: 2,438.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.20 : 3,903.44 = 1,766.44 : x
  2. Step 2: Convert to fraction form
    2,828.20/3,903.44 = 1,766.44/x
  3. Step 3: Cross multiply
    2,828.20x = 3,903.44 × 1,766.44
  4. Step 4: Simplify right side
    2,828.20x = 6,895,192.55
  5. Step 5: Solve for x
    x = 6,895,192.55/2,828.20
  6. Step 6: Final answer
    x = 2,438.01

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1.5x scale

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.