Home / 2,812.41-3,881.34-1,633.66

Finding the Fourth Proportional to 2,812.41, 3,881.34 and 1,633.66

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Solution

The fourth proportional to 2,812.41, 3,881.34 and 1,633.66 is: 2,254.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,812.41 : 3,881.34 = 1,633.66 : x
  2. Step 2: Convert to fraction form
    2,812.41/3,881.34 = 1,633.66/x
  3. Step 3: Cross multiply
    2,812.41x = 3,881.34 × 1,633.66
  4. Step 4: Simplify right side
    2,812.41x = 6,340,789.90
  5. Step 5: Solve for x
    x = 6,340,789.90/2,812.41
  6. Step 6: Final answer
    x = 2,254.58

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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.