Home / 3,214.49-4,822.34-2,119.77

Finding the Fourth Proportional to 3,214.49, 4,822.34 and 2,119.77

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Solution

The fourth proportional to 3,214.49, 4,822.34 and 2,119.77 is: 3,180.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,214.49 : 4,822.34 = 2,119.77 : x
  2. Step 2: Convert to fraction form
    3,214.49/4,822.34 = 2,119.77/x
  3. Step 3: Cross multiply
    3,214.49x = 4,822.34 × 2,119.77
  4. Step 4: Simplify right side
    3,214.49x = 10,222,241.06
  5. Step 5: Solve for x
    x = 10,222,241.06/3,214.49
  6. Step 6: Final answer
    x = 3,180.06

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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.