Home / 2,684.98-4,026.82-1,040.48

Finding the Fourth Proportional to 2,684.98, 4,026.82 and 1,040.48

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Solution

The fourth proportional to 2,684.98, 4,026.82 and 1,040.48 is: 1,560.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,684.98 : 4,026.82 = 1,040.48 : x
  2. Step 2: Convert to fraction form
    2,684.98/4,026.82 = 1,040.48/x
  3. Step 3: Cross multiply
    2,684.98x = 4,026.82 × 1,040.48
  4. Step 4: Simplify right side
    2,684.98x = 4,189,825.67
  5. Step 5: Solve for x
    x = 4,189,825.67/2,684.98
  6. Step 6: Final answer
    x = 1,560.47

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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.