Home / 1,348.94-2,023.37-1,268.78

Finding the Fourth Proportional to 1,348.94, 2,023.37 and 1,268.78

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Solution

The fourth proportional to 1,348.94, 2,023.37 and 1,268.78 is: 1,903.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348.94 : 2,023.37 = 1,268.78 : x
  2. Step 2: Convert to fraction form
    1,348.94/2,023.37 = 1,268.78/x
  3. Step 3: Cross multiply
    1,348.94x = 2,023.37 × 1,268.78
  4. Step 4: Simplify right side
    1,348.94x = 2,567,211.39
  5. Step 5: Solve for x
    x = 2,567,211.39/1,348.94
  6. Step 6: Final answer
    x = 1,903.13

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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.