Home / 3,929.63-5,895.17-1,297.32

Finding the Fourth Proportional to 3,929.63, 5,895.17 and 1,297.32

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Solution

The fourth proportional to 3,929.63, 5,895.17 and 1,297.32 is: 1,946.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.63 : 5,895.17 = 1,297.32 : x
  2. Step 2: Convert to fraction form
    3,929.63/5,895.17 = 1,297.32/x
  3. Step 3: Cross multiply
    3,929.63x = 5,895.17 × 1,297.32
  4. Step 4: Simplify right side
    3,929.63x = 7,647,889.23
  5. Step 5: Solve for x
    x = 7,647,889.23/3,929.63
  6. Step 6: Final answer
    x = 1,946.21

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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.