Home / 3,768.05-5,200.04-2,275.67

Finding the Fourth Proportional to 3,768.05, 5,200.04 and 2,275.67

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Solution

The fourth proportional to 3,768.05, 5,200.04 and 2,275.67 is: 3,140.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.05 : 5,200.04 = 2,275.67 : x
  2. Step 2: Convert to fraction form
    3,768.05/5,200.04 = 2,275.67/x
  3. Step 3: Cross multiply
    3,768.05x = 5,200.04 × 2,275.67
  4. Step 4: Simplify right side
    3,768.05x = 11,833,593.72
  5. Step 5: Solve for x
    x = 11,833,593.72/3,768.05
  6. Step 6: Final answer
    x = 3,140.51

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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.