Home / 2,829.09-4,242-1,095.69

Finding the Fourth Proportional to 2,829.09, 4,242 and 1,095.69

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Solution

The fourth proportional to 2,829.09, 4,242 and 1,095.69 is: 1,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,829.09 : 4,242 = 1,095.69 : x
  2. Step 2: Convert to fraction form
    2,829.09/4,242 = 1,095.69/x
  3. Step 3: Cross multiply
    2,829.09x = 4,242 × 1,095.69
  4. Step 4: Simplify right side
    2,829.09x = 4,647,916.98
  5. Step 5: Solve for x
    x = 4,647,916.98/2,829.09
  6. Step 6: Final answer
    x = 1,642.90

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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.