Home / 2,963.30-4,089.33-1,637.09

Finding the Fourth Proportional to 2,963.30, 4,089.33 and 1,637.09

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Solution

The fourth proportional to 2,963.30, 4,089.33 and 1,637.09 is: 2,259.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.30 : 4,089.33 = 1,637.09 : x
  2. Step 2: Convert to fraction form
    2,963.30/4,089.33 = 1,637.09/x
  3. Step 3: Cross multiply
    2,963.30x = 4,089.33 × 1,637.09
  4. Step 4: Simplify right side
    2,963.30x = 6,694,601.25
  5. Step 5: Solve for x
    x = 6,694,601.25/2,963.30
  6. Step 6: Final answer
    x = 2,259.17

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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.