Home / 1,542.42-2,128.44-1,044.27

Finding the Fourth Proportional to 1,542.42, 2,128.44 and 1,044.27

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Solution

The fourth proportional to 1,542.42, 2,128.44 and 1,044.27 is: 1,441.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542.42 : 2,128.44 = 1,044.27 : x
  2. Step 2: Convert to fraction form
    1,542.42/2,128.44 = 1,044.27/x
  3. Step 3: Cross multiply
    1,542.42x = 2,128.44 × 1,044.27
  4. Step 4: Simplify right side
    1,542.42x = 2,222,666.04
  5. Step 5: Solve for x
    x = 2,222,666.04/1,542.42
  6. Step 6: Final answer
    x = 1,441.03

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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.