Home / 2,202.99-3,039.08-1,318.63

Finding the Fourth Proportional to 2,202.99, 3,039.08 and 1,318.63

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Solution

The fourth proportional to 2,202.99, 3,039.08 and 1,318.63 is: 1,819.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,202.99 : 3,039.08 = 1,318.63 : x
  2. Step 2: Convert to fraction form
    2,202.99/3,039.08 = 1,318.63/x
  3. Step 3: Cross multiply
    2,202.99x = 3,039.08 × 1,318.63
  4. Step 4: Simplify right side
    2,202.99x = 4,007,413.30
  5. Step 5: Solve for x
    x = 4,007,413.30/2,202.99
  6. Step 6: Final answer
    x = 1,819.08

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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.