Home / 3,513.64-4,849.04-2,021.52

Finding the Fourth Proportional to 3,513.64, 4,849.04 and 2,021.52

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Solution

The fourth proportional to 3,513.64, 4,849.04 and 2,021.52 is: 2,789.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.64 : 4,849.04 = 2,021.52 : x
  2. Step 2: Convert to fraction form
    3,513.64/4,849.04 = 2,021.52/x
  3. Step 3: Cross multiply
    3,513.64x = 4,849.04 × 2,021.52
  4. Step 4: Simplify right side
    3,513.64x = 9,802,431.34
  5. Step 5: Solve for x
    x = 9,802,431.34/3,513.64
  6. Step 6: Final answer
    x = 2,789.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.