Home / 3,316.82-4,970.58-2,620.44

Finding the Fourth Proportional to 3,316.82, 4,970.58 and 2,620.44

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Solution

The fourth proportional to 3,316.82, 4,970.58 and 2,620.44 is: 3,926.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,316.82 : 4,970.58 = 2,620.44 : x
  2. Step 2: Convert to fraction form
    3,316.82/4,970.58 = 2,620.44/x
  3. Step 3: Cross multiply
    3,316.82x = 4,970.58 × 2,620.44
  4. Step 4: Simplify right side
    3,316.82x = 13,025,106.66
  5. Step 5: Solve for x
    x = 13,025,106.66/3,316.82
  6. Step 6: Final answer
    x = 3,926.99

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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.