Home / 2,761.94-3,811.37-1,582.19

Finding the Fourth Proportional to 2,761.94, 3,811.37 and 1,582.19

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Solution

The fourth proportional to 2,761.94, 3,811.37 and 1,582.19 is: 2,183.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761.94 : 3,811.37 = 1,582.19 : x
  2. Step 2: Convert to fraction form
    2,761.94/3,811.37 = 1,582.19/x
  3. Step 3: Cross multiply
    2,761.94x = 3,811.37 × 1,582.19
  4. Step 4: Simplify right side
    2,761.94x = 6,030,303.59
  5. Step 5: Solve for x
    x = 6,030,303.59/2,761.94
  6. Step 6: Final answer
    x = 2,183.36

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1.5x scale

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.