Home / 1,852.69-2,777.64-1,122.09

Finding the Fourth Proportional to 1,852.69, 2,777.64 and 1,122.09

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Solution

The fourth proportional to 1,852.69, 2,777.64 and 1,122.09 is: 1,682.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.69 : 2,777.64 = 1,122.09 : x
  2. Step 2: Convert to fraction form
    1,852.69/2,777.64 = 1,122.09/x
  3. Step 3: Cross multiply
    1,852.69x = 2,777.64 × 1,122.09
  4. Step 4: Simplify right side
    1,852.69x = 3,116,762.07
  5. Step 5: Solve for x
    x = 3,116,762.07/1,852.69
  6. Step 6: Final answer
    x = 1,682.29

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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.