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Finding the Fourth Proportional to 1,768.32, 2,653.65 and 1,754.64

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Solution

The fourth proportional to 1,768.32, 2,653.65 and 1,754.64 is: 2,633.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768.32 : 2,653.65 = 1,754.64 : x
  2. Step 2: Convert to fraction form
    1,768.32/2,653.65 = 1,754.64/x
  3. Step 3: Cross multiply
    1,768.32x = 2,653.65 × 1,754.64
  4. Step 4: Simplify right side
    1,768.32x = 4,656,200.44
  5. Step 5: Solve for x
    x = 4,656,200.44/1,768.32
  6. Step 6: Final answer
    x = 2,633.12

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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.