Home / 4,219.52-6,329.96-1,297.82

Finding the Fourth Proportional to 4,219.52, 6,329.96 and 1,297.82

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Solution

The fourth proportional to 4,219.52, 6,329.96 and 1,297.82 is: 1,946.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.52 : 6,329.96 = 1,297.82 : x
  2. Step 2: Convert to fraction form
    4,219.52/6,329.96 = 1,297.82/x
  3. Step 3: Cross multiply
    4,219.52x = 6,329.96 × 1,297.82
  4. Step 4: Simplify right side
    4,219.52x = 8,215,162.89
  5. Step 5: Solve for x
    x = 8,215,162.89/4,219.52
  6. Step 6: Final answer
    x = 1,946.94

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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.