Home / 1,684.41-2,324.32-1,242.55

Finding the Fourth Proportional to 1,684.41, 2,324.32 and 1,242.55

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Solution

The fourth proportional to 1,684.41, 2,324.32 and 1,242.55 is: 1,714.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684.41 : 2,324.32 = 1,242.55 : x
  2. Step 2: Convert to fraction form
    1,684.41/2,324.32 = 1,242.55/x
  3. Step 3: Cross multiply
    1,684.41x = 2,324.32 × 1,242.55
  4. Step 4: Simplify right side
    1,684.41x = 2,888,083.82
  5. Step 5: Solve for x
    x = 2,888,083.82/1,684.41
  6. Step 6: Final answer
    x = 1,714.60

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.