Home / 2,762.33-4,143.32-1,119.00

Finding the Fourth Proportional to 2,762.33, 4,143.32 and 1,119.00

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Solution

The fourth proportional to 2,762.33, 4,143.32 and 1,119.00 is: 1,678.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762.33 : 4,143.32 = 1,119.00 : x
  2. Step 2: Convert to fraction form
    2,762.33/4,143.32 = 1,119.00/x
  3. Step 3: Cross multiply
    2,762.33x = 4,143.32 × 1,119.00
  4. Step 4: Simplify right side
    2,762.33x = 4,636,389.22
  5. Step 5: Solve for x
    x = 4,636,389.22/2,762.33
  6. Step 6: Final answer
    x = 1,678.44

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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.