Home / 3,855.44-5,319.78-2,363.60

Finding the Fourth Proportional to 3,855.44, 5,319.78 and 2,363.60

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Solution

The fourth proportional to 3,855.44, 5,319.78 and 2,363.60 is: 3,261.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,855.44 : 5,319.78 = 2,363.60 : x
  2. Step 2: Convert to fraction form
    3,855.44/5,319.78 = 2,363.60/x
  3. Step 3: Cross multiply
    3,855.44x = 5,319.78 × 2,363.60
  4. Step 4: Simplify right side
    3,855.44x = 12,573,832.01
  5. Step 5: Solve for x
    x = 12,573,832.01/3,855.44
  6. Step 6: Final answer
    x = 3,261.32

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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.