Home / 2,791.31-3,851.97-1,612.35

Finding the Fourth Proportional to 2,791.31, 3,851.97 and 1,612.35

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Solution

The fourth proportional to 2,791.31, 3,851.97 and 1,612.35 is: 2,225.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.31 : 3,851.97 = 1,612.35 : x
  2. Step 2: Convert to fraction form
    2,791.31/3,851.97 = 1,612.35/x
  3. Step 3: Cross multiply
    2,791.31x = 3,851.97 × 1,612.35
  4. Step 4: Simplify right side
    2,791.31x = 6,210,723.83
  5. Step 5: Solve for x
    x = 6,210,723.83/2,791.31
  6. Step 6: Final answer
    x = 2,225.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.