Home / 2,890.73-4,334.87-1,966.52

Finding the Fourth Proportional to 2,890.73, 4,334.87 and 1,966.52

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Solution

The fourth proportional to 2,890.73, 4,334.87 and 1,966.52 is: 2,948.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.73 : 4,334.87 = 1,966.52 : x
  2. Step 2: Convert to fraction form
    2,890.73/4,334.87 = 1,966.52/x
  3. Step 3: Cross multiply
    2,890.73x = 4,334.87 × 1,966.52
  4. Step 4: Simplify right side
    2,890.73x = 8,524,624.31
  5. Step 5: Solve for x
    x = 8,524,624.31/2,890.73
  6. Step 6: Final answer
    x = 2,948.95

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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.