Home / 2,963.69-4,089.94-1,637.31

Finding the Fourth Proportional to 2,963.69, 4,089.94 and 1,637.31

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Solution

The fourth proportional to 2,963.69, 4,089.94 and 1,637.31 is: 2,259.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.69 : 4,089.94 = 1,637.31 : x
  2. Step 2: Convert to fraction form
    2,963.69/4,089.94 = 1,637.31/x
  3. Step 3: Cross multiply
    2,963.69x = 4,089.94 × 1,637.31
  4. Step 4: Simplify right side
    2,963.69x = 6,696,520.12
  5. Step 5: Solve for x
    x = 6,696,520.12/2,963.69
  6. Step 6: Final answer
    x = 2,259.52

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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.