Home / 1,044.25-1,566.47-274.75

Finding the Fourth Proportional to 1,044.25, 1,566.47 and 274.75

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Solution

The fourth proportional to 1,044.25, 1,566.47 and 274.75 is: 412.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,044.25 : 1,566.47 = 274.75 : x
  2. Step 2: Convert to fraction form
    1,044.25/1,566.47 = 274.75/x
  3. Step 3: Cross multiply
    1,044.25x = 1,566.47 × 274.75
  4. Step 4: Simplify right side
    1,044.25x = 430,387.63
  5. Step 5: Solve for x
    x = 430,387.63/1,044.25
  6. Step 6: Final answer
    x = 412.15

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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.