Home / 2,202.42-3,039.36-1,207.67

Finding the Fourth Proportional to 2,202.42, 3,039.36 and 1,207.67

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Solution

The fourth proportional to 2,202.42, 3,039.36 and 1,207.67 is: 1,666.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.42 : 3,039.36 = 1,207.67 : x
  2. Step 2: Convert to fraction form
    2,202.42/3,039.36 = 1,207.67/x
  3. Step 3: Cross multiply
    2,202.42x = 3,039.36 × 1,207.67
  4. Step 4: Simplify right side
    2,202.42x = 3,670,528.69
  5. Step 5: Solve for x
    x = 3,670,528.69/2,202.42
  6. Step 6: Final answer
    x = 1,666.59

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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.