Home / 2,116.41-2,921-1,232.73

Finding the Fourth Proportional to 2,116.41, 2,921 and 1,232.73

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Solution

The fourth proportional to 2,116.41, 2,921 and 1,232.73 is: 1,701.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.41 : 2,921 = 1,232.73 : x
  2. Step 2: Convert to fraction form
    2,116.41/2,921 = 1,232.73/x
  3. Step 3: Cross multiply
    2,116.41x = 2,921 × 1,232.73
  4. Step 4: Simplify right side
    2,116.41x = 3,600,804.33
  5. Step 5: Solve for x
    x = 3,600,804.33/2,116.41
  6. Step 6: Final answer
    x = 1,701.37

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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.