Home / 3,858.76-5,327.58-2,287.36

Finding the Fourth Proportional to 3,858.76, 5,327.58 and 2,287.36

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Solution

The fourth proportional to 3,858.76, 5,327.58 and 2,287.36 is: 3,158.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,858.76 : 5,327.58 = 2,287.36 : x
  2. Step 2: Convert to fraction form
    3,858.76/5,327.58 = 2,287.36/x
  3. Step 3: Cross multiply
    3,858.76x = 5,327.58 × 2,287.36
  4. Step 4: Simplify right side
    3,858.76x = 12,186,093.39
  5. Step 5: Solve for x
    x = 12,186,093.39/3,858.76
  6. Step 6: Final answer
    x = 3,158.03

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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.