Home / 3,016.16-4,162.31-1,689.89

Finding the Fourth Proportional to 3,016.16, 4,162.31 and 1,689.89

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Solution

The fourth proportional to 3,016.16, 4,162.31 and 1,689.89 is: 2,332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,016.16 : 4,162.31 = 1,689.89 : x
  2. Step 2: Convert to fraction form
    3,016.16/4,162.31 = 1,689.89/x
  3. Step 3: Cross multiply
    3,016.16x = 4,162.31 × 1,689.89
  4. Step 4: Simplify right side
    3,016.16x = 7,033,816.78
  5. Step 5: Solve for x
    x = 7,033,816.78/3,016.16
  6. Step 6: Final answer
    x = 2,332.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.