Home / 3,609.33-5,415.66-1,963.91

Finding the Fourth Proportional to 3,609.33, 5,415.66 and 1,963.91

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Solution

The fourth proportional to 3,609.33, 5,415.66 and 1,963.91 is: 2,946.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,609.33 : 5,415.66 = 1,963.91 : x
  2. Step 2: Convert to fraction form
    3,609.33/5,415.66 = 1,963.91/x
  3. Step 3: Cross multiply
    3,609.33x = 5,415.66 × 1,963.91
  4. Step 4: Simplify right side
    3,609.33x = 10,635,859.01
  5. Step 5: Solve for x
    x = 10,635,859.01/3,609.33
  6. Step 6: Final answer
    x = 2,946.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.