Home / 2,200.22-3,300.44-1,225.60

Finding the Fourth Proportional to 2,200.22, 3,300.44 and 1,225.60

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Solution

The fourth proportional to 2,200.22, 3,300.44 and 1,225.60 is: 1,838.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200.22 : 3,300.44 = 1,225.60 : x
  2. Step 2: Convert to fraction form
    2,200.22/3,300.44 = 1,225.60/x
  3. Step 3: Cross multiply
    2,200.22x = 3,300.44 × 1,225.60
  4. Step 4: Simplify right side
    2,200.22x = 4,045,019.26
  5. Step 5: Solve for x
    x = 4,045,019.26/2,200.22
  6. Step 6: Final answer
    x = 1,838.46

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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.