Home / 3,746.92-5,622.40-1,408.52

Finding the Fourth Proportional to 3,746.92, 5,622.40 and 1,408.52

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Solution

The fourth proportional to 3,746.92, 5,622.40 and 1,408.52 is: 2,113.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,746.92 : 5,622.40 = 1,408.52 : x
  2. Step 2: Convert to fraction form
    3,746.92/5,622.40 = 1,408.52/x
  3. Step 3: Cross multiply
    3,746.92x = 5,622.40 × 1,408.52
  4. Step 4: Simplify right side
    3,746.92x = 7,919,262.85
  5. Step 5: Solve for x
    x = 7,919,262.85/3,746.92
  6. Step 6: Final answer
    x = 2,113.54

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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.