Home / 2,389.05-3,297.65-1,893.87

Finding the Fourth Proportional to 2,389.05, 3,297.65 and 1,893.87

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Solution

The fourth proportional to 2,389.05, 3,297.65 and 1,893.87 is: 2,614.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,389.05 : 3,297.65 = 1,893.87 : x
  2. Step 2: Convert to fraction form
    2,389.05/3,297.65 = 1,893.87/x
  3. Step 3: Cross multiply
    2,389.05x = 3,297.65 × 1,893.87
  4. Step 4: Simplify right side
    2,389.05x = 6,245,310.94
  5. Step 5: Solve for x
    x = 6,245,310.94/2,389.05
  6. Step 6: Final answer
    x = 2,614.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.