Home / 3,116.94-4,301.81-1,790.62

Finding the Fourth Proportional to 3,116.94, 4,301.81 and 1,790.62

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Solution

The fourth proportional to 3,116.94, 4,301.81 and 1,790.62 is: 2,471.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.94 : 4,301.81 = 1,790.62 : x
  2. Step 2: Convert to fraction form
    3,116.94/4,301.81 = 1,790.62/x
  3. Step 3: Cross multiply
    3,116.94x = 4,301.81 × 1,790.62
  4. Step 4: Simplify right side
    3,116.94x = 7,702,894.03
  5. Step 5: Solve for x
    x = 7,702,894.03/3,116.94
  6. Step 6: Final answer
    x = 2,471.30

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Why These Related Problems?

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