Home / 1,847.34-2,772.63-1,198.80

Finding the Fourth Proportional to 1,847.34, 2,772.63 and 1,198.80

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Solution

The fourth proportional to 1,847.34, 2,772.63 and 1,198.80 is: 1,799.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,847.34 : 2,772.63 = 1,198.80 : x
  2. Step 2: Convert to fraction form
    1,847.34/2,772.63 = 1,198.80/x
  3. Step 3: Cross multiply
    1,847.34x = 2,772.63 × 1,198.80
  4. Step 4: Simplify right side
    1,847.34x = 3,323,828.84
  5. Step 5: Solve for x
    x = 3,323,828.84/1,847.34
  6. Step 6: Final answer
    x = 1,799.25

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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.