Home / 2,698.21-3,723.69-1,650.48

Finding the Fourth Proportional to 2,698.21, 3,723.69 and 1,650.48

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Solution

The fourth proportional to 2,698.21, 3,723.69 and 1,650.48 is: 2,277.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698.21 : 3,723.69 = 1,650.48 : x
  2. Step 2: Convert to fraction form
    2,698.21/3,723.69 = 1,650.48/x
  3. Step 3: Cross multiply
    2,698.21x = 3,723.69 × 1,650.48
  4. Step 4: Simplify right side
    2,698.21x = 6,145,875.87
  5. Step 5: Solve for x
    x = 6,145,875.87/2,698.21
  6. Step 6: Final answer
    x = 2,277.76

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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.