Home / 2,204.20-3,041.70-1,319.80

Finding the Fourth Proportional to 2,204.20, 3,041.70 and 1,319.80

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Solution

The fourth proportional to 2,204.20, 3,041.70 and 1,319.80 is: 1,821.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,204.20 : 3,041.70 = 1,319.80 : x
  2. Step 2: Convert to fraction form
    2,204.20/3,041.70 = 1,319.80/x
  3. Step 3: Cross multiply
    2,204.20x = 3,041.70 × 1,319.80
  4. Step 4: Simplify right side
    2,204.20x = 4,014,435.66
  5. Step 5: Solve for x
    x = 4,014,435.66/2,204.20
  6. Step 6: Final answer
    x = 1,821.27

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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.