Home / 3,714.53-5,126.85-2,221.88

Finding the Fourth Proportional to 3,714.53, 5,126.85 and 2,221.88

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Solution

The fourth proportional to 3,714.53, 5,126.85 and 2,221.88 is: 3,066.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,714.53 : 5,126.85 = 2,221.88 : x
  2. Step 2: Convert to fraction form
    3,714.53/5,126.85 = 2,221.88/x
  3. Step 3: Cross multiply
    3,714.53x = 5,126.85 × 2,221.88
  4. Step 4: Simplify right side
    3,714.53x = 11,391,219.84
  5. Step 5: Solve for x
    x = 11,391,219.84/3,714.53
  6. Step 6: Final answer
    x = 3,066.67

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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.