Home / 1,617.28-2,425.92-1,072.94

Finding the Fourth Proportional to 1,617.28, 2,425.92 and 1,072.94

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Solution

The fourth proportional to 1,617.28, 2,425.92 and 1,072.94 is: 1,609.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617.28 : 2,425.92 = 1,072.94 : x
  2. Step 2: Convert to fraction form
    1,617.28/2,425.92 = 1,072.94/x
  3. Step 3: Cross multiply
    1,617.28x = 2,425.92 × 1,072.94
  4. Step 4: Simplify right side
    1,617.28x = 2,602,866.60
  5. Step 5: Solve for x
    x = 2,602,866.60/1,617.28
  6. Step 6: Final answer
    x = 1,609.41

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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.