Home / 4,212.03-5,811.44-2,720.01

Finding the Fourth Proportional to 4,212.03, 5,811.44 and 2,720.01

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Solution

The fourth proportional to 4,212.03, 5,811.44 and 2,720.01 is: 3,752.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.03 : 5,811.44 = 2,720.01 : x
  2. Step 2: Convert to fraction form
    4,212.03/5,811.44 = 2,720.01/x
  3. Step 3: Cross multiply
    4,212.03x = 5,811.44 × 2,720.01
  4. Step 4: Simplify right side
    4,212.03x = 15,807,161.31
  5. Step 5: Solve for x
    x = 15,807,161.31/4,212.03
  6. Step 6: Final answer
    x = 3,752.86

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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.