Home / 4,261.93-6,390.37-1,661.83

Finding the Fourth Proportional to 4,261.93, 6,390.37 and 1,661.83

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Solution

The fourth proportional to 4,261.93, 6,390.37 and 1,661.83 is: 2,491.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.93 : 6,390.37 = 1,661.83 : x
  2. Step 2: Convert to fraction form
    4,261.93/6,390.37 = 1,661.83/x
  3. Step 3: Cross multiply
    4,261.93x = 6,390.37 × 1,661.83
  4. Step 4: Simplify right side
    4,261.93x = 10,619,708.58
  5. Step 5: Solve for x
    x = 10,619,708.58/4,261.93
  6. Step 6: Final answer
    x = 2,491.76

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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.