Home / 3,361.24-4,638.45-1,869.22

Finding the Fourth Proportional to 3,361.24, 4,638.45 and 1,869.22

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Solution

The fourth proportional to 3,361.24, 4,638.45 and 1,869.22 is: 2,579.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.24 : 4,638.45 = 1,869.22 : x
  2. Step 2: Convert to fraction form
    3,361.24/4,638.45 = 1,869.22/x
  3. Step 3: Cross multiply
    3,361.24x = 4,638.45 × 1,869.22
  4. Step 4: Simplify right side
    3,361.24x = 8,670,274.16
  5. Step 5: Solve for x
    x = 8,670,274.16/3,361.24
  6. Step 6: Final answer
    x = 2,579.49

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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.