Home / 2,202.51-3,039.54-1,207.83

Finding the Fourth Proportional to 2,202.51, 3,039.54 and 1,207.83

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Solution

The fourth proportional to 2,202.51, 3,039.54 and 1,207.83 is: 1,666.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.51 : 3,039.54 = 1,207.83 : x
  2. Step 2: Convert to fraction form
    2,202.51/3,039.54 = 1,207.83/x
  3. Step 3: Cross multiply
    2,202.51x = 3,039.54 × 1,207.83
  4. Step 4: Simplify right side
    2,202.51x = 3,671,247.60
  5. Step 5: Solve for x
    x = 3,671,247.60/2,202.51
  6. Step 6: Final answer
    x = 1,666.85

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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.