Home / 3,914.24-5,858.88-2,177.60

Finding the Fourth Proportional to 3,914.24, 5,858.88 and 2,177.60

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Solution

The fourth proportional to 3,914.24, 5,858.88 and 2,177.60 is: 3,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.24 : 5,858.88 = 2,177.60 : x
  2. Step 2: Convert to fraction form
    3,914.24/5,858.88 = 2,177.60/x
  3. Step 3: Cross multiply
    3,914.24x = 5,858.88 × 2,177.60
  4. Step 4: Simplify right side
    3,914.24x = 12,758,297.09
  5. Step 5: Solve for x
    x = 12,758,297.09/3,914.24
  6. Step 6: Final answer
    x = 3,259.46

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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.