Home / 2,893.05-3,989.93-2,262.60

Finding the Fourth Proportional to 2,893.05, 3,989.93 and 2,262.60

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Solution

The fourth proportional to 2,893.05, 3,989.93 and 2,262.60 is: 3,120.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,893.05 : 3,989.93 = 2,262.60 : x
  2. Step 2: Convert to fraction form
    2,893.05/3,989.93 = 2,262.60/x
  3. Step 3: Cross multiply
    2,893.05x = 3,989.93 × 2,262.60
  4. Step 4: Simplify right side
    2,893.05x = 9,027,604.31
  5. Step 5: Solve for x
    x = 9,027,604.31/2,893.05
  6. Step 6: Final answer
    x = 3,120.45

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1.5x scale

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.