Home / 2,607.27-3,912.73-1,786.34

Finding the Fourth Proportional to 2,607.27, 3,912.73 and 1,786.34

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Solution

The fourth proportional to 2,607.27, 3,912.73 and 1,786.34 is: 2,680.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.27 : 3,912.73 = 1,786.34 : x
  2. Step 2: Convert to fraction form
    2,607.27/3,912.73 = 1,786.34/x
  3. Step 3: Cross multiply
    2,607.27x = 3,912.73 × 1,786.34
  4. Step 4: Simplify right side
    2,607.27x = 6,989,442.08
  5. Step 5: Solve for x
    x = 6,989,442.08/2,607.27
  6. Step 6: Final answer
    x = 2,680.75

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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.