Home / 3,768.84-5,200.73-2,175.55

Finding the Fourth Proportional to 3,768.84, 5,200.73 and 2,175.55

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Solution

The fourth proportional to 3,768.84, 5,200.73 and 2,175.55 is: 3,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.84 : 5,200.73 = 2,175.55 : x
  2. Step 2: Convert to fraction form
    3,768.84/5,200.73 = 2,175.55/x
  3. Step 3: Cross multiply
    3,768.84x = 5,200.73 × 2,175.55
  4. Step 4: Simplify right side
    3,768.84x = 11,314,448.15
  5. Step 5: Solve for x
    x = 11,314,448.15/3,768.84
  6. Step 6: Final answer
    x = 3,002.10

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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.