Home / 2,221.04-3,336.21-2,147.33

Finding the Fourth Proportional to 2,221.04, 3,336.21 and 2,147.33

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Solution

The fourth proportional to 2,221.04, 3,336.21 and 2,147.33 is: 3,225.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.04 : 3,336.21 = 2,147.33 : x
  2. Step 2: Convert to fraction form
    2,221.04/3,336.21 = 2,147.33/x
  3. Step 3: Cross multiply
    2,221.04x = 3,336.21 × 2,147.33
  4. Step 4: Simplify right side
    2,221.04x = 7,163,927.14
  5. Step 5: Solve for x
    x = 7,163,927.14/2,221.04
  6. Step 6: Final answer
    x = 3,225.49

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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.