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Finding the Fourth Proportional to 1,768.88, 2,652.51 and 536.42

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Solution

The fourth proportional to 1,768.88, 2,652.51 and 536.42 is: 804.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,768.88 : 2,652.51 = 536.42 : x
  2. Step 2: Convert to fraction form
    1,768.88/2,652.51 = 536.42/x
  3. Step 3: Cross multiply
    1,768.88x = 2,652.51 × 536.42
  4. Step 4: Simplify right side
    1,768.88x = 1,422,859.41
  5. Step 5: Solve for x
    x = 1,422,859.41/1,768.88
  6. Step 6: Final answer
    x = 804.38

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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.