Home / 3,100.84-4,278.18-2,054.44

Finding the Fourth Proportional to 3,100.84, 4,278.18 and 2,054.44

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Solution

The fourth proportional to 3,100.84, 4,278.18 and 2,054.44 is: 2,834.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100.84 : 4,278.18 = 2,054.44 : x
  2. Step 2: Convert to fraction form
    3,100.84/4,278.18 = 2,054.44/x
  3. Step 3: Cross multiply
    3,100.84x = 4,278.18 × 2,054.44
  4. Step 4: Simplify right side
    3,100.84x = 8,789,264.12
  5. Step 5: Solve for x
    x = 8,789,264.12/3,100.84
  6. Step 6: Final answer
    x = 2,834.48

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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.