Home / 3,460.20-5,188.78-1,268.36

Finding the Fourth Proportional to 3,460.20, 5,188.78 and 1,268.36

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Solution

The fourth proportional to 3,460.20, 5,188.78 and 1,268.36 is: 1,901.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.20 : 5,188.78 = 1,268.36 : x
  2. Step 2: Convert to fraction form
    3,460.20/5,188.78 = 1,268.36/x
  3. Step 3: Cross multiply
    3,460.20x = 5,188.78 × 1,268.36
  4. Step 4: Simplify right side
    3,460.20x = 6,581,241.00
  5. Step 5: Solve for x
    x = 6,581,241.00/3,460.20
  6. Step 6: Final answer
    x = 1,901.98

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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.