Home / 3,204.95-4,418.89-2,320.43

Finding the Fourth Proportional to 3,204.95, 4,418.89 and 2,320.43

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Solution

The fourth proportional to 3,204.95, 4,418.89 and 2,320.43 is: 3,199.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.95 : 4,418.89 = 2,320.43 : x
  2. Step 2: Convert to fraction form
    3,204.95/4,418.89 = 2,320.43/x
  3. Step 3: Cross multiply
    3,204.95x = 4,418.89 × 2,320.43
  4. Step 4: Simplify right side
    3,204.95x = 10,253,697.03
  5. Step 5: Solve for x
    x = 10,253,697.03/3,204.95
  6. Step 6: Final answer
    x = 3,199.34

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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.