Home / 3,837.15-5,745.47-2,191.44

Finding the Fourth Proportional to 3,837.15, 5,745.47 and 2,191.44

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Solution

The fourth proportional to 3,837.15, 5,745.47 and 2,191.44 is: 3,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.15 : 5,745.47 = 2,191.44 : x
  2. Step 2: Convert to fraction form
    3,837.15/5,745.47 = 2,191.44/x
  3. Step 3: Cross multiply
    3,837.15x = 5,745.47 × 2,191.44
  4. Step 4: Simplify right side
    3,837.15x = 12,590,852.78
  5. Step 5: Solve for x
    x = 12,590,852.78/3,837.15
  6. Step 6: Final answer
    x = 3,281.30

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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.