Home / 3,739.65-5,611.50-1,401.25

Finding the Fourth Proportional to 3,739.65, 5,611.50 and 1,401.25

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Solution

The fourth proportional to 3,739.65, 5,611.50 and 1,401.25 is: 2,102.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.65 : 5,611.50 = 1,401.25 : x
  2. Step 2: Convert to fraction form
    3,739.65/5,611.50 = 1,401.25/x
  3. Step 3: Cross multiply
    3,739.65x = 5,611.50 × 1,401.25
  4. Step 4: Simplify right side
    3,739.65x = 7,863,100.35
  5. Step 5: Solve for x
    x = 7,863,100.35/3,739.65
  6. Step 6: Final answer
    x = 2,102.63

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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.