Home / 3,361.08-5,038.50-2,124.90

Finding the Fourth Proportional to 3,361.08, 5,038.50 and 2,124.90

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Solution

The fourth proportional to 3,361.08, 5,038.50 and 2,124.90 is: 3,185.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,361.08 : 5,038.50 = 2,124.90 : x
  2. Step 2: Convert to fraction form
    3,361.08/5,038.50 = 2,124.90/x
  3. Step 3: Cross multiply
    3,361.08x = 5,038.50 × 2,124.90
  4. Step 4: Simplify right side
    3,361.08x = 10,706,308.65
  5. Step 5: Solve for x
    x = 10,706,308.65/3,361.08
  6. Step 6: Final answer
    x = 3,185.38

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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.