Home / 2,912.71-4,366.46-1,268.36

Finding the Fourth Proportional to 2,912.71, 4,366.46 and 1,268.36

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Solution

The fourth proportional to 2,912.71, 4,366.46 and 1,268.36 is: 1,901.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912.71 : 4,366.46 = 1,268.36 : x
  2. Step 2: Convert to fraction form
    2,912.71/4,366.46 = 1,268.36/x
  3. Step 3: Cross multiply
    2,912.71x = 4,366.46 × 1,268.36
  4. Step 4: Simplify right side
    2,912.71x = 5,538,233.78
  5. Step 5: Solve for x
    x = 5,538,233.78/2,912.71
  6. Step 6: Final answer
    x = 1,901.40

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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.