Home / 3,748.94-5,623.56-1,408.70

Finding the Fourth Proportional to 3,748.94, 5,623.56 and 1,408.70

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Solution

The fourth proportional to 3,748.94, 5,623.56 and 1,408.70 is: 2,113.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.94 : 5,623.56 = 1,408.70 : x
  2. Step 2: Convert to fraction form
    3,748.94/5,623.56 = 1,408.70/x
  3. Step 3: Cross multiply
    3,748.94x = 5,623.56 × 1,408.70
  4. Step 4: Simplify right side
    3,748.94x = 7,921,908.97
  5. Step 5: Solve for x
    x = 7,921,908.97/3,748.94
  6. Step 6: Final answer
    x = 2,113.11

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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.