Home / 2,203.38-3,039.62-1,319.02

Finding the Fourth Proportional to 2,203.38, 3,039.62 and 1,319.02

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Solution

The fourth proportional to 2,203.38, 3,039.62 and 1,319.02 is: 1,819.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.38 : 3,039.62 = 1,319.02 : x
  2. Step 2: Convert to fraction form
    2,203.38/3,039.62 = 1,319.02/x
  3. Step 3: Cross multiply
    2,203.38x = 3,039.62 × 1,319.02
  4. Step 4: Simplify right side
    2,203.38x = 4,009,311.47
  5. Step 5: Solve for x
    x = 4,009,311.47/2,203.38
  6. Step 6: Final answer
    x = 1,819.62

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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.