Home / 1,896.17-2,617.58-1,425.96

Finding the Fourth Proportional to 1,896.17, 2,617.58 and 1,425.96

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Solution

The fourth proportional to 1,896.17, 2,617.58 and 1,425.96 is: 1,968.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896.17 : 2,617.58 = 1,425.96 : x
  2. Step 2: Convert to fraction form
    1,896.17/2,617.58 = 1,425.96/x
  3. Step 3: Cross multiply
    1,896.17x = 2,617.58 × 1,425.96
  4. Step 4: Simplify right side
    1,896.17x = 3,732,567.94
  5. Step 5: Solve for x
    x = 3,732,567.94/1,896.17
  6. Step 6: Final answer
    x = 1,968.48

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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.