Home / 3,542.63-5,315.43-1,789.25

Finding the Fourth Proportional to 3,542.63, 5,315.43 and 1,789.25

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Solution

The fourth proportional to 3,542.63, 5,315.43 and 1,789.25 is: 2,684.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.63 : 5,315.43 = 1,789.25 : x
  2. Step 2: Convert to fraction form
    3,542.63/5,315.43 = 1,789.25/x
  3. Step 3: Cross multiply
    3,542.63x = 5,315.43 × 1,789.25
  4. Step 4: Simplify right side
    3,542.63x = 9,510,633.13
  5. Step 5: Solve for x
    x = 9,510,633.13/3,542.63
  6. Step 6: Final answer
    x = 2,684.63

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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.