Home / 2,202.03-3,039.14-1,405.70

Finding the Fourth Proportional to 2,202.03, 3,039.14 and 1,405.70

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Solution

The fourth proportional to 2,202.03, 3,039.14 and 1,405.70 is: 1,940.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.03 : 3,039.14 = 1,405.70 : x
  2. Step 2: Convert to fraction form
    2,202.03/3,039.14 = 1,405.70/x
  3. Step 3: Cross multiply
    2,202.03x = 3,039.14 × 1,405.70
  4. Step 4: Simplify right side
    2,202.03x = 4,272,096.87
  5. Step 5: Solve for x
    x = 4,272,096.87/2,202.03
  6. Step 6: Final answer
    x = 1,940.07

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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.