Home / 3,490.84-5,228.04-2,755.49

Finding the Fourth Proportional to 3,490.84, 5,228.04 and 2,755.49

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Solution

The fourth proportional to 3,490.84, 5,228.04 and 2,755.49 is: 4,126.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.84 : 5,228.04 = 2,755.49 : x
  2. Step 2: Convert to fraction form
    3,490.84/5,228.04 = 2,755.49/x
  3. Step 3: Cross multiply
    3,490.84x = 5,228.04 × 2,755.49
  4. Step 4: Simplify right side
    3,490.84x = 14,405,811.94
  5. Step 5: Solve for x
    x = 14,405,811.94/3,490.84
  6. Step 6: Final answer
    x = 4,126.75

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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.