Home / 3,086.35-4,647.94-2,797.18

Finding the Fourth Proportional to 3,086.35, 4,647.94 and 2,797.18

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Solution

The fourth proportional to 3,086.35, 4,647.94 and 2,797.18 is: 4,212.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.35 : 4,647.94 = 2,797.18 : x
  2. Step 2: Convert to fraction form
    3,086.35/4,647.94 = 2,797.18/x
  3. Step 3: Cross multiply
    3,086.35x = 4,647.94 × 2,797.18
  4. Step 4: Simplify right side
    3,086.35x = 13,001,124.81
  5. Step 5: Solve for x
    x = 13,001,124.81/3,086.35
  6. Step 6: Final answer
    x = 4,212.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.