Home / 3,984.84-5,976.45-3,787.26

Finding the Fourth Proportional to 3,984.84, 5,976.45 and 3,787.26

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Solution

The fourth proportional to 3,984.84, 5,976.45 and 3,787.26 is: 5,680.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,984.84 : 5,976.45 = 3,787.26 : x
  2. Step 2: Convert to fraction form
    3,984.84/5,976.45 = 3,787.26/x
  3. Step 3: Cross multiply
    3,984.84x = 5,976.45 × 3,787.26
  4. Step 4: Simplify right side
    3,984.84x = 22,634,370.03
  5. Step 5: Solve for x
    x = 22,634,370.03/3,984.84
  6. Step 6: Final answer
    x = 5,680.12

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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.