Home / 3,460.07-5,190.89-1,268.79

Finding the Fourth Proportional to 3,460.07, 5,190.89 and 1,268.79

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Solution

The fourth proportional to 3,460.07, 5,190.89 and 1,268.79 is: 1,903.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.07 : 5,190.89 = 1,268.79 : x
  2. Step 2: Convert to fraction form
    3,460.07/5,190.89 = 1,268.79/x
  3. Step 3: Cross multiply
    3,460.07x = 5,190.89 × 1,268.79
  4. Step 4: Simplify right side
    3,460.07x = 6,586,142.98
  5. Step 5: Solve for x
    x = 6,586,142.98/3,460.07
  6. Step 6: Final answer
    x = 1,903.47

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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.