Home / 2,866.39-4,299.81-1,222.95

Finding the Fourth Proportional to 2,866.39, 4,299.81 and 1,222.95

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Solution

The fourth proportional to 2,866.39, 4,299.81 and 1,222.95 is: 1,834.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866.39 : 4,299.81 = 1,222.95 : x
  2. Step 2: Convert to fraction form
    2,866.39/4,299.81 = 1,222.95/x
  3. Step 3: Cross multiply
    2,866.39x = 4,299.81 × 1,222.95
  4. Step 4: Simplify right side
    2,866.39x = 5,258,452.64
  5. Step 5: Solve for x
    x = 5,258,452.64/2,866.39
  6. Step 6: Final answer
    x = 1,834.52

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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.