Home / 2,169.90-3,246.48-1,824.30

Finding the Fourth Proportional to 2,169.90, 3,246.48 and 1,824.30

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Solution

The fourth proportional to 2,169.90, 3,246.48 and 1,824.30 is: 2,729.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.90 : 3,246.48 = 1,824.30 : x
  2. Step 2: Convert to fraction form
    2,169.90/3,246.48 = 1,824.30/x
  3. Step 3: Cross multiply
    2,169.90x = 3,246.48 × 1,824.30
  4. Step 4: Simplify right side
    2,169.90x = 5,922,553.46
  5. Step 5: Solve for x
    x = 5,922,553.46/2,169.90
  6. Step 6: Final answer
    x = 2,729.41

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1.5x scale

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.