Home / 3,283.68-4,921.26-1,333.62

Finding the Fourth Proportional to 3,283.68, 4,921.26 and 1,333.62

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Solution

The fourth proportional to 3,283.68, 4,921.26 and 1,333.62 is: 1,998.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,283.68 : 4,921.26 = 1,333.62 : x
  2. Step 2: Convert to fraction form
    3,283.68/4,921.26 = 1,333.62/x
  3. Step 3: Cross multiply
    3,283.68x = 4,921.26 × 1,333.62
  4. Step 4: Simplify right side
    3,283.68x = 6,563,090.76
  5. Step 5: Solve for x
    x = 6,563,090.76/3,283.68
  6. Step 6: Final answer
    x = 1,998.70

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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.