Home / 3,580.86-4,941.49-1,965.77

Finding the Fourth Proportional to 3,580.86, 4,941.49 and 1,965.77

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Solution

The fourth proportional to 3,580.86, 4,941.49 and 1,965.77 is: 2,712.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.86 : 4,941.49 = 1,965.77 : x
  2. Step 2: Convert to fraction form
    3,580.86/4,941.49 = 1,965.77/x
  3. Step 3: Cross multiply
    3,580.86x = 4,941.49 × 1,965.77
  4. Step 4: Simplify right side
    3,580.86x = 9,713,837.55
  5. Step 5: Solve for x
    x = 9,713,837.55/3,580.86
  6. Step 6: Final answer
    x = 2,712.71

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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.