Home / 2,866.14-4,299.75-1,222.68

Finding the Fourth Proportional to 2,866.14, 4,299.75 and 1,222.68

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Solution

The fourth proportional to 2,866.14, 4,299.75 and 1,222.68 is: 1,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,866.14 : 4,299.75 = 1,222.68 : x
  2. Step 2: Convert to fraction form
    2,866.14/4,299.75 = 1,222.68/x
  3. Step 3: Cross multiply
    2,866.14x = 4,299.75 × 1,222.68
  4. Step 4: Simplify right side
    2,866.14x = 5,257,218.33
  5. Step 5: Solve for x
    x = 5,257,218.33/2,866.14
  6. Step 6: Final answer
    x = 1,834.25

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1.5x scale

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.