Home / 2,647.60-3,650.31-1,892.27

Finding the Fourth Proportional to 2,647.60, 3,650.31 and 1,892.27

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Solution

The fourth proportional to 2,647.60, 3,650.31 and 1,892.27 is: 2,608.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,647.60 : 3,650.31 = 1,892.27 : x
  2. Step 2: Convert to fraction form
    2,647.60/3,650.31 = 1,892.27/x
  3. Step 3: Cross multiply
    2,647.60x = 3,650.31 × 1,892.27
  4. Step 4: Simplify right side
    2,647.60x = 6,907,381.23
  5. Step 5: Solve for x
    x = 6,907,381.23/2,647.60
  6. Step 6: Final answer
    x = 2,608.92

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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.