Home / 2,342.89-3,233.09-1,280.63

Finding the Fourth Proportional to 2,342.89, 3,233.09 and 1,280.63

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Solution

The fourth proportional to 2,342.89, 3,233.09 and 1,280.63 is: 1,767.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,342.89 : 3,233.09 = 1,280.63 : x
  2. Step 2: Convert to fraction form
    2,342.89/3,233.09 = 1,280.63/x
  3. Step 3: Cross multiply
    2,342.89x = 3,233.09 × 1,280.63
  4. Step 4: Simplify right side
    2,342.89x = 4,140,403.33
  5. Step 5: Solve for x
    x = 4,140,403.33/2,342.89
  6. Step 6: Final answer
    x = 1,767.22

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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.