Home / 1,856.21-2,771.04-1,791.31

Finding the Fourth Proportional to 1,856.21, 2,771.04 and 1,791.31

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Solution

The fourth proportional to 1,856.21, 2,771.04 and 1,791.31 is: 2,674.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,856.21 : 2,771.04 = 1,791.31 : x
  2. Step 2: Convert to fraction form
    1,856.21/2,771.04 = 1,791.31/x
  3. Step 3: Cross multiply
    1,856.21x = 2,771.04 × 1,791.31
  4. Step 4: Simplify right side
    1,856.21x = 4,963,791.66
  5. Step 5: Solve for x
    x = 4,963,791.66/1,856.21
  6. Step 6: Final answer
    x = 2,674.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.