Home / 3,748.52-5,621.76-1,408.35

Finding the Fourth Proportional to 3,748.52, 5,621.76 and 1,408.35

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Solution

The fourth proportional to 3,748.52, 5,621.76 and 1,408.35 is: 2,112.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,748.52 : 5,621.76 = 1,408.35 : x
  2. Step 2: Convert to fraction form
    3,748.52/5,621.76 = 1,408.35/x
  3. Step 3: Cross multiply
    3,748.52x = 5,621.76 × 1,408.35
  4. Step 4: Simplify right side
    3,748.52x = 7,917,405.70
  5. Step 5: Solve for x
    x = 7,917,405.70/3,748.52
  6. Step 6: Final answer
    x = 2,112.14

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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.