Home / 3,118.36-4,673.43-1,268.45

Finding the Fourth Proportional to 3,118.36, 4,673.43 and 1,268.45

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Solution

The fourth proportional to 3,118.36, 4,673.43 and 1,268.45 is: 1,901.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.36 : 4,673.43 = 1,268.45 : x
  2. Step 2: Convert to fraction form
    3,118.36/4,673.43 = 1,268.45/x
  3. Step 3: Cross multiply
    3,118.36x = 4,673.43 × 1,268.45
  4. Step 4: Simplify right side
    3,118.36x = 5,928,012.28
  5. Step 5: Solve for x
    x = 5,928,012.28/3,118.36
  6. Step 6: Final answer
    x = 1,901.00

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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.