Home / 3,289.12-4,918.69-2,456.77

Finding the Fourth Proportional to 3,289.12, 4,918.69 and 2,456.77

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Solution

The fourth proportional to 3,289.12, 4,918.69 and 2,456.77 is: 3,673.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289.12 : 4,918.69 = 2,456.77 : x
  2. Step 2: Convert to fraction form
    3,289.12/4,918.69 = 2,456.77/x
  3. Step 3: Cross multiply
    3,289.12x = 4,918.69 × 2,456.77
  4. Step 4: Simplify right side
    3,289.12x = 12,084,090.03
  5. Step 5: Solve for x
    x = 12,084,090.03/3,289.12
  6. Step 6: Final answer
    x = 3,673.96

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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.