Home / 3,886.44-5,362.67-2,184.60

Finding the Fourth Proportional to 3,886.44, 5,362.67 and 2,184.60

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Solution

The fourth proportional to 3,886.44, 5,362.67 and 2,184.60 is: 3,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,886.44 : 5,362.67 = 2,184.60 : x
  2. Step 2: Convert to fraction form
    3,886.44/5,362.67 = 2,184.60/x
  3. Step 3: Cross multiply
    3,886.44x = 5,362.67 × 2,184.60
  4. Step 4: Simplify right side
    3,886.44x = 11,715,288.88
  5. Step 5: Solve for x
    x = 11,715,288.88/3,886.44
  6. Step 6: Final answer
    x = 3,014.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.