Home / 3,748.75-5,623.40-1,440.25

Finding the Fourth Proportional to 3,748.75, 5,623.40 and 1,440.25

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Solution

The fourth proportional to 3,748.75, 5,623.40 and 1,440.25 is: 2,160.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.75 : 5,623.40 = 1,440.25 : x
  2. Step 2: Convert to fraction form
    3,748.75/5,623.40 = 1,440.25/x
  3. Step 3: Cross multiply
    3,748.75x = 5,623.40 × 1,440.25
  4. Step 4: Simplify right side
    3,748.75x = 8,099,101.85
  5. Step 5: Solve for x
    x = 8,099,101.85/3,748.75
  6. Step 6: Final answer
    x = 2,160.48

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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.