Home / 2,766.37-3,815.64-1,646.45

Finding the Fourth Proportional to 2,766.37, 3,815.64 and 1,646.45

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Solution

The fourth proportional to 2,766.37, 3,815.64 and 1,646.45 is: 2,270.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.37 : 3,815.64 = 1,646.45 : x
  2. Step 2: Convert to fraction form
    2,766.37/3,815.64 = 1,646.45/x
  3. Step 3: Cross multiply
    2,766.37x = 3,815.64 × 1,646.45
  4. Step 4: Simplify right side
    2,766.37x = 6,282,241.40
  5. Step 5: Solve for x
    x = 6,282,241.40/2,766.37
  6. Step 6: Final answer
    x = 2,270.93

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Why These Related Problems?

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