Home / 3,539.79-5,302.53-2,219.22

Finding the Fourth Proportional to 3,539.79, 5,302.53 and 2,219.22

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Solution

The fourth proportional to 3,539.79, 5,302.53 and 2,219.22 is: 3,324.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539.79 : 5,302.53 = 2,219.22 : x
  2. Step 2: Convert to fraction form
    3,539.79/5,302.53 = 2,219.22/x
  3. Step 3: Cross multiply
    3,539.79x = 5,302.53 × 2,219.22
  4. Step 4: Simplify right side
    3,539.79x = 11,767,480.63
  5. Step 5: Solve for x
    x = 11,767,480.63/3,539.79
  6. Step 6: Final answer
    x = 3,324.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.