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Finding the Fourth Proportional to 1,796.92, 2,679.75 and 1,597.81

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Solution

The fourth proportional to 1,796.92, 2,679.75 and 1,597.81 is: 2,382.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,796.92 : 2,679.75 = 1,597.81 : x
  2. Step 2: Convert to fraction form
    1,796.92/2,679.75 = 1,597.81/x
  3. Step 3: Cross multiply
    1,796.92x = 2,679.75 × 1,597.81
  4. Step 4: Simplify right side
    1,796.92x = 4,281,731.35
  5. Step 5: Solve for x
    x = 4,281,731.35/1,796.92
  6. Step 6: Final answer
    x = 2,382.82

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1.5x scale

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.