Home / 2,826.44-3,900.48-1,648.30

Finding the Fourth Proportional to 2,826.44, 3,900.48 and 1,648.30

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Solution

The fourth proportional to 2,826.44, 3,900.48 and 1,648.30 is: 2,274.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,826.44 : 3,900.48 = 1,648.30 : x
  2. Step 2: Convert to fraction form
    2,826.44/3,900.48 = 1,648.30/x
  3. Step 3: Cross multiply
    2,826.44x = 3,900.48 × 1,648.30
  4. Step 4: Simplify right side
    2,826.44x = 6,429,161.18
  5. Step 5: Solve for x
    x = 6,429,161.18/2,826.44
  6. Step 6: Final answer
    x = 2,274.65

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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.