Home / 2,202.37-3,039.27-1,207.65

Finding the Fourth Proportional to 2,202.37, 3,039.27 and 1,207.65

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Solution

The fourth proportional to 2,202.37, 3,039.27 and 1,207.65 is: 1,666.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.37 : 3,039.27 = 1,207.65 : x
  2. Step 2: Convert to fraction form
    2,202.37/3,039.27 = 1,207.65/x
  3. Step 3: Cross multiply
    2,202.37x = 3,039.27 × 1,207.65
  4. Step 4: Simplify right side
    2,202.37x = 3,670,379.53
  5. Step 5: Solve for x
    x = 3,670,379.53/2,202.37
  6. Step 6: Final answer
    x = 1,666.56

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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.