Home / 2,963.12-4,089.39-1,636.91

Finding the Fourth Proportional to 2,963.12, 4,089.39 and 1,636.91

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Solution

The fourth proportional to 2,963.12, 4,089.39 and 1,636.91 is: 2,259.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.12 : 4,089.39 = 1,636.91 : x
  2. Step 2: Convert to fraction form
    2,963.12/4,089.39 = 1,636.91/x
  3. Step 3: Cross multiply
    2,963.12x = 4,089.39 × 1,636.91
  4. Step 4: Simplify right side
    2,963.12x = 6,693,952.13
  5. Step 5: Solve for x
    x = 6,693,952.13/2,963.12
  6. Step 6: Final answer
    x = 2,259.09

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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.