Home / 2,255.70-3,383.55-1,899.30

Finding the Fourth Proportional to 2,255.70, 3,383.55 and 1,899.30

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Solution

The fourth proportional to 2,255.70, 3,383.55 and 1,899.30 is: 2,848.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,255.70 : 3,383.55 = 1,899.30 : x
  2. Step 2: Convert to fraction form
    2,255.70/3,383.55 = 1,899.30/x
  3. Step 3: Cross multiply
    2,255.70x = 3,383.55 × 1,899.30
  4. Step 4: Simplify right side
    2,255.70x = 6,426,376.52
  5. Step 5: Solve for x
    x = 6,426,376.52/2,255.70
  6. Step 6: Final answer
    x = 2,848.95

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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.