Home / 3,513.88-4,849.64-2,021.77

Finding the Fourth Proportional to 3,513.88, 4,849.64 and 2,021.77

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Solution

The fourth proportional to 3,513.88, 4,849.64 and 2,021.77 is: 2,790.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,513.88 : 4,849.64 = 2,021.77 : x
  2. Step 2: Convert to fraction form
    3,513.88/4,849.64 = 2,021.77/x
  3. Step 3: Cross multiply
    3,513.88x = 4,849.64 × 2,021.77
  4. Step 4: Simplify right side
    3,513.88x = 9,804,846.55
  5. Step 5: Solve for x
    x = 9,804,846.55/3,513.88
  6. Step 6: Final answer
    x = 2,790.32

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