Home / 2,935.09-4,402.77-1,085.86

Finding the Fourth Proportional to 2,935.09, 4,402.77 and 1,085.86

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Solution

The fourth proportional to 2,935.09, 4,402.77 and 1,085.86 is: 1,628.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,935.09 : 4,402.77 = 1,085.86 : x
  2. Step 2: Convert to fraction form
    2,935.09/4,402.77 = 1,085.86/x
  3. Step 3: Cross multiply
    2,935.09x = 4,402.77 × 1,085.86
  4. Step 4: Simplify right side
    2,935.09x = 4,780,764.39
  5. Step 5: Solve for x
    x = 4,780,764.39/2,935.09
  6. Step 6: Final answer
    x = 1,628.83

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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.