Home / 2,137.20-3,204.55-1,148.77

Finding the Fourth Proportional to 2,137.20, 3,204.55 and 1,148.77

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Solution

The fourth proportional to 2,137.20, 3,204.55 and 1,148.77 is: 1,722.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,137.20 : 3,204.55 = 1,148.77 : x
  2. Step 2: Convert to fraction form
    2,137.20/3,204.55 = 1,148.77/x
  3. Step 3: Cross multiply
    2,137.20x = 3,204.55 × 1,148.77
  4. Step 4: Simplify right side
    2,137.20x = 3,681,290.90
  5. Step 5: Solve for x
    x = 3,681,290.90/2,137.20
  6. Step 6: Final answer
    x = 1,722.48

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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.