Home / 2,963.08-4,089.01-1,636.86

Finding the Fourth Proportional to 2,963.08, 4,089.01 and 1,636.86

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Solution

The fourth proportional to 2,963.08, 4,089.01 and 1,636.86 is: 2,258.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.08 : 4,089.01 = 1,636.86 : x
  2. Step 2: Convert to fraction form
    2,963.08/4,089.01 = 1,636.86/x
  3. Step 3: Cross multiply
    2,963.08x = 4,089.01 × 1,636.86
  4. Step 4: Simplify right side
    2,963.08x = 6,693,123.62
  5. Step 5: Solve for x
    x = 6,693,123.62/2,963.08
  6. Step 6: Final answer
    x = 2,258.84

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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.