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Finding the Fourth Proportional to 3,047.42, 4,205.43 and 1,650.17

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Solution

The fourth proportional to 3,047.42, 4,205.43 and 1,650.17 is: 2,277.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,047.42 : 4,205.43 = 1,650.17 : x
  2. Step 2: Convert to fraction form
    3,047.42/4,205.43 = 1,650.17/x
  3. Step 3: Cross multiply
    3,047.42x = 4,205.43 × 1,650.17
  4. Step 4: Simplify right side
    3,047.42x = 6,939,674.42
  5. Step 5: Solve for x
    x = 6,939,674.42/3,047.42
  6. Step 6: Final answer
    x = 2,277.23

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.