Home / 2,202.22-3,039.04-1,207.48

Finding the Fourth Proportional to 2,202.22, 3,039.04 and 1,207.48

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Solution

The fourth proportional to 2,202.22, 3,039.04 and 1,207.48 is: 1,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.22 : 3,039.04 = 1,207.48 : x
  2. Step 2: Convert to fraction form
    2,202.22/3,039.04 = 1,207.48/x
  3. Step 3: Cross multiply
    2,202.22x = 3,039.04 × 1,207.48
  4. Step 4: Simplify right side
    2,202.22x = 3,669,558.79
  5. Step 5: Solve for x
    x = 3,669,558.79/2,202.22
  6. Step 6: Final answer
    x = 1,666.30

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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.