Home / 3,976.95-5,965.71-1,055.19

Finding the Fourth Proportional to 3,976.95, 5,965.71 and 1,055.19

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Solution

The fourth proportional to 3,976.95, 5,965.71 and 1,055.19 is: 1,582.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,976.95 : 5,965.71 = 1,055.19 : x
  2. Step 2: Convert to fraction form
    3,976.95/5,965.71 = 1,055.19/x
  3. Step 3: Cross multiply
    3,976.95x = 5,965.71 × 1,055.19
  4. Step 4: Simplify right side
    3,976.95x = 6,294,976.41
  5. Step 5: Solve for x
    x = 6,294,976.41/3,976.95
  6. Step 6: Final answer
    x = 1,582.86

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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.