Home / 3,325.61-4,990.32-1,682.29

Finding the Fourth Proportional to 3,325.61, 4,990.32 and 1,682.29

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Solution

The fourth proportional to 3,325.61, 4,990.32 and 1,682.29 is: 2,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,325.61 : 4,990.32 = 1,682.29 : x
  2. Step 2: Convert to fraction form
    3,325.61/4,990.32 = 1,682.29/x
  3. Step 3: Cross multiply
    3,325.61x = 4,990.32 × 1,682.29
  4. Step 4: Simplify right side
    3,325.61x = 8,395,165.43
  5. Step 5: Solve for x
    x = 8,395,165.43/3,325.61
  6. Step 6: Final answer
    x = 2,524.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.