Home / 3,836.93-5,749.66-1,985.57

Finding the Fourth Proportional to 3,836.93, 5,749.66 and 1,985.57

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Solution

The fourth proportional to 3,836.93, 5,749.66 and 1,985.57 is: 2,975.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,836.93 : 5,749.66 = 1,985.57 : x
  2. Step 2: Convert to fraction form
    3,836.93/5,749.66 = 1,985.57/x
  3. Step 3: Cross multiply
    3,836.93x = 5,749.66 × 1,985.57
  4. Step 4: Simplify right side
    3,836.93x = 11,416,352.41
  5. Step 5: Solve for x
    x = 11,416,352.41/3,836.93
  6. Step 6: Final answer
    x = 2,975.39

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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.