Home / 3,363.22-5,046.58-1,390.30

Finding the Fourth Proportional to 3,363.22, 5,046.58 and 1,390.30

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Solution

The fourth proportional to 3,363.22, 5,046.58 and 1,390.30 is: 2,086.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,363.22 : 5,046.58 = 1,390.30 : x
  2. Step 2: Convert to fraction form
    3,363.22/5,046.58 = 1,390.30/x
  3. Step 3: Cross multiply
    3,363.22x = 5,046.58 × 1,390.30
  4. Step 4: Simplify right side
    3,363.22x = 7,016,260.17
  5. Step 5: Solve for x
    x = 7,016,260.17/3,363.22
  6. Step 6: Final answer
    x = 2,086.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.