Home / 3,119.73-4,675.52-1,268.68

Finding the Fourth Proportional to 3,119.73, 4,675.52 and 1,268.68

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Solution

The fourth proportional to 3,119.73, 4,675.52 and 1,268.68 is: 1,901.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.73 : 4,675.52 = 1,268.68 : x
  2. Step 2: Convert to fraction form
    3,119.73/4,675.52 = 1,268.68/x
  3. Step 3: Cross multiply
    3,119.73x = 4,675.52 × 1,268.68
  4. Step 4: Simplify right side
    3,119.73x = 5,931,738.71
  5. Step 5: Solve for x
    x = 5,931,738.71/3,119.73
  6. Step 6: Final answer
    x = 1,901.36

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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.