Home / 2,421.22-3,633.66-1,773.64

Finding the Fourth Proportional to 2,421.22, 3,633.66 and 1,773.64

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Solution

The fourth proportional to 2,421.22, 3,633.66 and 1,773.64 is: 2,661.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421.22 : 3,633.66 = 1,773.64 : x
  2. Step 2: Convert to fraction form
    2,421.22/3,633.66 = 1,773.64/x
  3. Step 3: Cross multiply
    2,421.22x = 3,633.66 × 1,773.64
  4. Step 4: Simplify right side
    2,421.22x = 6,444,804.72
  5. Step 5: Solve for x
    x = 6,444,804.72/2,421.22
  6. Step 6: Final answer
    x = 2,661.80

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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.