Home / 2,829-4,243.56-1,098.36

Finding the Fourth Proportional to 2,829, 4,243.56 and 1,098.36

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Solution

The fourth proportional to 2,829, 4,243.56 and 1,098.36 is: 1,647.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829 : 4,243.56 = 1,098.36 : x
  2. Step 2: Convert to fraction form
    2,829/4,243.56 = 1,098.36/x
  3. Step 3: Cross multiply
    2,829x = 4,243.56 × 1,098.36
  4. Step 4: Simplify right side
    2,829x = 4,660,956.56
  5. Step 5: Solve for x
    x = 4,660,956.56/2,829
  6. Step 6: Final answer
    x = 1,647.56

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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.