Home / 3,802.21-5,247.09-2,230.33

Finding the Fourth Proportional to 3,802.21, 5,247.09 and 2,230.33

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Solution

The fourth proportional to 3,802.21, 5,247.09 and 2,230.33 is: 3,077.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,802.21 : 5,247.09 = 2,230.33 : x
  2. Step 2: Convert to fraction form
    3,802.21/5,247.09 = 2,230.33/x
  3. Step 3: Cross multiply
    3,802.21x = 5,247.09 × 2,230.33
  4. Step 4: Simplify right side
    3,802.21x = 11,702,742.24
  5. Step 5: Solve for x
    x = 11,702,742.24/3,802.21
  6. Step 6: Final answer
    x = 3,077.88

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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.