Home / 3,153.22-4,351.24-1,826.82

Finding the Fourth Proportional to 3,153.22, 4,351.24 and 1,826.82

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Solution

The fourth proportional to 3,153.22, 4,351.24 and 1,826.82 is: 2,520.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.22 : 4,351.24 = 1,826.82 : x
  2. Step 2: Convert to fraction form
    3,153.22/4,351.24 = 1,826.82/x
  3. Step 3: Cross multiply
    3,153.22x = 4,351.24 × 1,826.82
  4. Step 4: Simplify right side
    3,153.22x = 7,948,932.26
  5. Step 5: Solve for x
    x = 7,948,932.26/3,153.22
  6. Step 6: Final answer
    x = 2,520.89

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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.