Home / 3,768.24-5,200.18-2,089.66

Finding the Fourth Proportional to 3,768.24, 5,200.18 and 2,089.66

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Solution

The fourth proportional to 3,768.24, 5,200.18 and 2,089.66 is: 2,883.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.24 : 5,200.18 = 2,089.66 : x
  2. Step 2: Convert to fraction form
    3,768.24/5,200.18 = 2,089.66/x
  3. Step 3: Cross multiply
    3,768.24x = 5,200.18 × 2,089.66
  4. Step 4: Simplify right side
    3,768.24x = 10,866,608.14
  5. Step 5: Solve for x
    x = 10,866,608.14/3,768.24
  6. Step 6: Final answer
    x = 2,883.74

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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.