Home / 3,819.16-5,271.44-2,247.76

Finding the Fourth Proportional to 3,819.16, 5,271.44 and 2,247.76

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Solution

The fourth proportional to 3,819.16, 5,271.44 and 2,247.76 is: 3,102.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.16 : 5,271.44 = 2,247.76 : x
  2. Step 2: Convert to fraction form
    3,819.16/5,271.44 = 2,247.76/x
  3. Step 3: Cross multiply
    3,819.16x = 5,271.44 × 2,247.76
  4. Step 4: Simplify right side
    3,819.16x = 11,848,931.97
  5. Step 5: Solve for x
    x = 11,848,931.97/3,819.16
  6. Step 6: Final answer
    x = 3,102.50

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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.