Home / 3,835.54-5,750.43-1,984.18

Finding the Fourth Proportional to 3,835.54, 5,750.43 and 1,984.18

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Solution

The fourth proportional to 3,835.54, 5,750.43 and 1,984.18 is: 2,974.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,835.54 : 5,750.43 = 1,984.18 : x
  2. Step 2: Convert to fraction form
    3,835.54/5,750.43 = 1,984.18/x
  3. Step 3: Cross multiply
    3,835.54x = 5,750.43 × 1,984.18
  4. Step 4: Simplify right side
    3,835.54x = 11,409,888.20
  5. Step 5: Solve for x
    x = 11,409,888.20/3,835.54
  6. Step 6: Final answer
    x = 2,974.78

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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.