Home / 1,852.72-2,777.86-1,110.66

Finding the Fourth Proportional to 1,852.72, 2,777.86 and 1,110.66

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Solution

The fourth proportional to 1,852.72, 2,777.86 and 1,110.66 is: 1,665.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,852.72 : 2,777.86 = 1,110.66 : x
  2. Step 2: Convert to fraction form
    1,852.72/2,777.86 = 1,110.66/x
  3. Step 3: Cross multiply
    1,852.72x = 2,777.86 × 1,110.66
  4. Step 4: Simplify right side
    1,852.72x = 3,085,259.38
  5. Step 5: Solve for x
    x = 3,085,259.38/1,852.72
  6. Step 6: Final answer
    x = 1,665.26

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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.