Home / 3,116.54-4,677.14-1,268.32

Finding the Fourth Proportional to 3,116.54, 4,677.14 and 1,268.32

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Solution

The fourth proportional to 3,116.54, 4,677.14 and 1,268.32 is: 1,903.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.54 : 4,677.14 = 1,268.32 : x
  2. Step 2: Convert to fraction form
    3,116.54/4,677.14 = 1,268.32/x
  3. Step 3: Cross multiply
    3,116.54x = 4,677.14 × 1,268.32
  4. Step 4: Simplify right side
    3,116.54x = 5,932,110.20
  5. Step 5: Solve for x
    x = 5,932,110.20/3,116.54
  6. Step 6: Final answer
    x = 1,903.43

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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.