Home / 3,289.82-4,919.72-2,457.46

Finding the Fourth Proportional to 3,289.82, 4,919.72 and 2,457.46

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Solution

The fourth proportional to 3,289.82, 4,919.72 and 2,457.46 is: 3,674.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.82 : 4,919.72 = 2,457.46 : x
  2. Step 2: Convert to fraction form
    3,289.82/4,919.72 = 2,457.46/x
  3. Step 3: Cross multiply
    3,289.82x = 4,919.72 × 2,457.46
  4. Step 4: Simplify right side
    3,289.82x = 12,090,015.11
  5. Step 5: Solve for x
    x = 12,090,015.11/3,289.82
  6. Step 6: Final answer
    x = 3,674.98

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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.