Home / 3,819.64-5,271.33-2,247.85

Finding the Fourth Proportional to 3,819.64, 5,271.33 and 2,247.85

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Solution

The fourth proportional to 3,819.64, 5,271.33 and 2,247.85 is: 3,102.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819.64 : 5,271.33 = 2,247.85 : x
  2. Step 2: Convert to fraction form
    3,819.64/5,271.33 = 2,247.85/x
  3. Step 3: Cross multiply
    3,819.64x = 5,271.33 × 2,247.85
  4. Step 4: Simplify right side
    3,819.64x = 11,849,159.14
  5. Step 5: Solve for x
    x = 11,849,159.14/3,819.64
  6. Step 6: Final answer
    x = 3,102.17

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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.