Home / 3,823.83-5,735.75-1,228.59

Finding the Fourth Proportional to 3,823.83, 5,735.75 and 1,228.59

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Solution

The fourth proportional to 3,823.83, 5,735.75 and 1,228.59 is: 1,842.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,823.83 : 5,735.75 = 1,228.59 : x
  2. Step 2: Convert to fraction form
    3,823.83/5,735.75 = 1,228.59/x
  3. Step 3: Cross multiply
    3,823.83x = 5,735.75 × 1,228.59
  4. Step 4: Simplify right side
    3,823.83x = 7,046,878.95
  5. Step 5: Solve for x
    x = 7,046,878.95/3,823.83
  6. Step 6: Final answer
    x = 1,842.89

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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.