Home / 3,205.10-4,802.78-2,379.50

Finding the Fourth Proportional to 3,205.10, 4,802.78 and 2,379.50

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Solution

The fourth proportional to 3,205.10, 4,802.78 and 2,379.50 is: 3,565.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,205.10 : 4,802.78 = 2,379.50 : x
  2. Step 2: Convert to fraction form
    3,205.10/4,802.78 = 2,379.50/x
  3. Step 3: Cross multiply
    3,205.10x = 4,802.78 × 2,379.50
  4. Step 4: Simplify right side
    3,205.10x = 11,428,215.01
  5. Step 5: Solve for x
    x = 11,428,215.01/3,205.10
  6. Step 6: Final answer
    x = 3,565.63

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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.