Home / 2,826.43-3,900.47-1,584.43

Finding the Fourth Proportional to 2,826.43, 3,900.47 and 1,584.43

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Solution

The fourth proportional to 2,826.43, 3,900.47 and 1,584.43 is: 2,186.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.43 : 3,900.47 = 1,584.43 : x
  2. Step 2: Convert to fraction form
    2,826.43/3,900.47 = 1,584.43/x
  3. Step 3: Cross multiply
    2,826.43x = 3,900.47 × 1,584.43
  4. Step 4: Simplify right side
    2,826.43x = 6,180,004.01
  5. Step 5: Solve for x
    x = 6,180,004.01/2,826.43
  6. Step 6: Final answer
    x = 2,186.51

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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.