Home / 3,325.44-4,989.08-1,379.01

Finding the Fourth Proportional to 3,325.44, 4,989.08 and 1,379.01

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Solution

The fourth proportional to 3,325.44, 4,989.08 and 1,379.01 is: 2,068.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.44 : 4,989.08 = 1,379.01 : x
  2. Step 2: Convert to fraction form
    3,325.44/4,989.08 = 1,379.01/x
  3. Step 3: Cross multiply
    3,325.44x = 4,989.08 × 1,379.01
  4. Step 4: Simplify right side
    3,325.44x = 6,879,991.21
  5. Step 5: Solve for x
    x = 6,879,991.21/3,325.44
  6. Step 6: Final answer
    x = 2,068.90

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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.