Home / 2,338.84-3,218.97-2,003.50

Finding the Fourth Proportional to 2,338.84, 3,218.97 and 2,003.50

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Solution

The fourth proportional to 2,338.84, 3,218.97 and 2,003.50 is: 2,757.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,338.84 : 3,218.97 = 2,003.50 : x
  2. Step 2: Convert to fraction form
    2,338.84/3,218.97 = 2,003.50/x
  3. Step 3: Cross multiply
    2,338.84x = 3,218.97 × 2,003.50
  4. Step 4: Simplify right side
    2,338.84x = 6,449,206.40
  5. Step 5: Solve for x
    x = 6,449,206.40/2,338.84
  6. Step 6: Final answer
    x = 2,757.44

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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.