Home / 3,361.10-4,638.47-1,868.96

Finding the Fourth Proportional to 3,361.10, 4,638.47 and 1,868.96

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Solution

The fourth proportional to 3,361.10, 4,638.47 and 1,868.96 is: 2,579.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.10 : 4,638.47 = 1,868.96 : x
  2. Step 2: Convert to fraction form
    3,361.10/4,638.47 = 1,868.96/x
  3. Step 3: Cross multiply
    3,361.10x = 4,638.47 × 1,868.96
  4. Step 4: Simplify right side
    3,361.10x = 8,669,117.14
  5. Step 5: Solve for x
    x = 8,669,117.14/3,361.10
  6. Step 6: Final answer
    x = 2,579.25

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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.