Home / 3,889.02-5,364.60-2,396.64

Finding the Fourth Proportional to 3,889.02, 5,364.60 and 2,396.64

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Solution

The fourth proportional to 3,889.02, 5,364.60 and 2,396.64 is: 3,305.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889.02 : 5,364.60 = 2,396.64 : x
  2. Step 2: Convert to fraction form
    3,889.02/5,364.60 = 2,396.64/x
  3. Step 3: Cross multiply
    3,889.02x = 5,364.60 × 2,396.64
  4. Step 4: Simplify right side
    3,889.02x = 12,857,014.94
  5. Step 5: Solve for x
    x = 12,857,014.94/3,889.02
  6. Step 6: Final answer
    x = 3,305.98

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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.