Home / 3,325.98-4,589.88-1,999.71

Finding the Fourth Proportional to 3,325.98, 4,589.88 and 1,999.71

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Solution

The fourth proportional to 3,325.98, 4,589.88 and 1,999.71 is: 2,759.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.98 : 4,589.88 = 1,999.71 : x
  2. Step 2: Convert to fraction form
    3,325.98/4,589.88 = 1,999.71/x
  3. Step 3: Cross multiply
    3,325.98x = 4,589.88 × 1,999.71
  4. Step 4: Simplify right side
    3,325.98x = 9,178,428.93
  5. Step 5: Solve for x
    x = 9,178,428.93/3,325.98
  6. Step 6: Final answer
    x = 2,759.62

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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.