Home / 3,768.32-5,199.03-2,275.67

Finding the Fourth Proportional to 3,768.32, 5,199.03 and 2,275.67

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Solution

The fourth proportional to 3,768.32, 5,199.03 and 2,275.67 is: 3,139.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.32 : 5,199.03 = 2,275.67 : x
  2. Step 2: Convert to fraction form
    3,768.32/5,199.03 = 2,275.67/x
  3. Step 3: Cross multiply
    3,768.32x = 5,199.03 × 2,275.67
  4. Step 4: Simplify right side
    3,768.32x = 11,831,250.60
  5. Step 5: Solve for x
    x = 11,831,250.60/3,768.32
  6. Step 6: Final answer
    x = 3,139.67

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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.