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Finding the Fourth Proportional to 2,677.98, 4,016.60 and 829.14

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Solution

The fourth proportional to 2,677.98, 4,016.60 and 829.14 is: 1,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.98 : 4,016.60 = 829.14 : x
  2. Step 2: Convert to fraction form
    2,677.98/4,016.60 = 829.14/x
  3. Step 3: Cross multiply
    2,677.98x = 4,016.60 × 829.14
  4. Step 4: Simplify right side
    2,677.98x = 3,330,323.72
  5. Step 5: Solve for x
    x = 3,330,323.72/2,677.98
  6. Step 6: Final answer
    x = 1,243.60

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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.