Home / 1,418.43-2,128.41-597.27

Finding the Fourth Proportional to 1,418.43, 2,128.41 and 597.27

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Solution

The fourth proportional to 1,418.43, 2,128.41 and 597.27 is: 896.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,418.43 : 2,128.41 = 597.27 : x
  2. Step 2: Convert to fraction form
    1,418.43/2,128.41 = 597.27/x
  3. Step 3: Cross multiply
    1,418.43x = 2,128.41 × 597.27
  4. Step 4: Simplify right side
    1,418.43x = 1,271,243.42
  5. Step 5: Solve for x
    x = 1,271,243.42/1,418.43
  6. Step 6: Final answer
    x = 896.23

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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.