Home / 3,330.79-4,996.76-1,109.77

Finding the Fourth Proportional to 3,330.79, 4,996.76 and 1,109.77

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Solution

The fourth proportional to 3,330.79, 4,996.76 and 1,109.77 is: 1,664.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.79 : 4,996.76 = 1,109.77 : x
  2. Step 2: Convert to fraction form
    3,330.79/4,996.76 = 1,109.77/x
  3. Step 3: Cross multiply
    3,330.79x = 4,996.76 × 1,109.77
  4. Step 4: Simplify right side
    3,330.79x = 5,545,236.30
  5. Step 5: Solve for x
    x = 5,545,236.30/3,330.79
  6. Step 6: Final answer
    x = 1,664.84

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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.