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Finding the Fourth Proportional to 2,305.54, 3,453.81 and 2,187.46

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Solution

The fourth proportional to 2,305.54, 3,453.81 and 2,187.46 is: 3,276.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,305.54 : 3,453.81 = 2,187.46 : x
  2. Step 2: Convert to fraction form
    2,305.54/3,453.81 = 2,187.46/x
  3. Step 3: Cross multiply
    2,305.54x = 3,453.81 × 2,187.46
  4. Step 4: Simplify right side
    2,305.54x = 7,555,071.22
  5. Step 5: Solve for x
    x = 7,555,071.22/2,305.54
  6. Step 6: Final answer
    x = 3,276.92

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1.5x scale

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.