Home / 3,511.74-4,846.20-2,019.95

Finding the Fourth Proportional to 3,511.74, 4,846.20 and 2,019.95

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Solution

The fourth proportional to 3,511.74, 4,846.20 and 2,019.95 is: 2,787.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,511.74 : 4,846.20 = 2,019.95 : x
  2. Step 2: Convert to fraction form
    3,511.74/4,846.20 = 2,019.95/x
  3. Step 3: Cross multiply
    3,511.74x = 4,846.20 × 2,019.95
  4. Step 4: Simplify right side
    3,511.74x = 9,789,081.69
  5. Step 5: Solve for x
    x = 9,789,081.69/3,511.74
  6. Step 6: Final answer
    x = 2,787.53

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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.