Home / 3,179.95-4,386.84-2,061.25

Finding the Fourth Proportional to 3,179.95, 4,386.84 and 2,061.25

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Solution

The fourth proportional to 3,179.95, 4,386.84 and 2,061.25 is: 2,843.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.95 : 4,386.84 = 2,061.25 : x
  2. Step 2: Convert to fraction form
    3,179.95/4,386.84 = 2,061.25/x
  3. Step 3: Cross multiply
    3,179.95x = 4,386.84 × 2,061.25
  4. Step 4: Simplify right side
    3,179.95x = 9,042,373.95
  5. Step 5: Solve for x
    x = 9,042,373.95/3,179.95
  6. Step 6: Final answer
    x = 2,843.56

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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.