Home / 2,986.44-4,477.83-1,426.92

Finding the Fourth Proportional to 2,986.44, 4,477.83 and 1,426.92

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Solution

The fourth proportional to 2,986.44, 4,477.83 and 1,426.92 is: 2,139.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986.44 : 4,477.83 = 1,426.92 : x
  2. Step 2: Convert to fraction form
    2,986.44/4,477.83 = 1,426.92/x
  3. Step 3: Cross multiply
    2,986.44x = 4,477.83 × 1,426.92
  4. Step 4: Simplify right side
    2,986.44x = 6,389,505.18
  5. Step 5: Solve for x
    x = 6,389,505.18/2,986.44
  6. Step 6: Final answer
    x = 2,139.51

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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.