Home / 2,824.20-4,236.30-2,208.40

Finding the Fourth Proportional to 2,824.20, 4,236.30 and 2,208.40

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Solution

The fourth proportional to 2,824.20, 4,236.30 and 2,208.40 is: 3,312.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.20 : 4,236.30 = 2,208.40 : x
  2. Step 2: Convert to fraction form
    2,824.20/4,236.30 = 2,208.40/x
  3. Step 3: Cross multiply
    2,824.20x = 4,236.30 × 2,208.40
  4. Step 4: Simplify right side
    2,824.20x = 9,355,434.33
  5. Step 5: Solve for x
    x = 9,355,434.33/2,824.20
  6. Step 6: Final answer
    x = 3,312.60

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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.