Home / 3,206.19-4,809.74-1,356.15

Finding the Fourth Proportional to 3,206.19, 4,809.74 and 1,356.15

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Solution

The fourth proportional to 3,206.19, 4,809.74 and 1,356.15 is: 2,034.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,206.19 : 4,809.74 = 1,356.15 : x
  2. Step 2: Convert to fraction form
    3,206.19/4,809.74 = 1,356.15/x
  3. Step 3: Cross multiply
    3,206.19x = 4,809.74 × 1,356.15
  4. Step 4: Simplify right side
    3,206.19x = 6,522,722.12
  5. Step 5: Solve for x
    x = 6,522,722.12/3,206.19
  6. Step 6: Final answer
    x = 2,034.42

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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.