Home / 3,325.69-4,589.22-1,999.18

Finding the Fourth Proportional to 3,325.69, 4,589.22 and 1,999.18

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Solution

The fourth proportional to 3,325.69, 4,589.22 and 1,999.18 is: 2,758.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.69 : 4,589.22 = 1,999.18 : x
  2. Step 2: Convert to fraction form
    3,325.69/4,589.22 = 1,999.18/x
  3. Step 3: Cross multiply
    3,325.69x = 4,589.22 × 1,999.18
  4. Step 4: Simplify right side
    3,325.69x = 9,174,676.84
  5. Step 5: Solve for x
    x = 9,174,676.84/3,325.69
  6. Step 6: Final answer
    x = 2,758.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.