Home / 3,038.06-4,194.35-1,991.95

Finding the Fourth Proportional to 3,038.06, 4,194.35 and 1,991.95

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Solution

The fourth proportional to 3,038.06, 4,194.35 and 1,991.95 is: 2,750.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,038.06 : 4,194.35 = 1,991.95 : x
  2. Step 2: Convert to fraction form
    3,038.06/4,194.35 = 1,991.95/x
  3. Step 3: Cross multiply
    3,038.06x = 4,194.35 × 1,991.95
  4. Step 4: Simplify right side
    3,038.06x = 8,354,922.51
  5. Step 5: Solve for x
    x = 8,354,922.51/3,038.06
  6. Step 6: Final answer
    x = 2,750.08

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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.