Home / 3,278.09-4,520.30-2,437.44

Finding the Fourth Proportional to 3,278.09, 4,520.30 and 2,437.44

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Solution

The fourth proportional to 3,278.09, 4,520.30 and 2,437.44 is: 3,361.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,278.09 : 4,520.30 = 2,437.44 : x
  2. Step 2: Convert to fraction form
    3,278.09/4,520.30 = 2,437.44/x
  3. Step 3: Cross multiply
    3,278.09x = 4,520.30 × 2,437.44
  4. Step 4: Simplify right side
    3,278.09x = 11,017,947.84
  5. Step 5: Solve for x
    x = 11,017,947.84/3,278.09
  6. Step 6: Final answer
    x = 3,361.09

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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.