Home / 3,783.71-5,668.28-3,091.16

Finding the Fourth Proportional to 3,783.71, 5,668.28 and 3,091.16

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Solution

The fourth proportional to 3,783.71, 5,668.28 and 3,091.16 is: 4,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,783.71 : 5,668.28 = 3,091.16 : x
  2. Step 2: Convert to fraction form
    3,783.71/5,668.28 = 3,091.16/x
  3. Step 3: Cross multiply
    3,783.71x = 5,668.28 × 3,091.16
  4. Step 4: Simplify right side
    3,783.71x = 17,521,544.95
  5. Step 5: Solve for x
    x = 17,521,544.95/3,783.71
  6. Step 6: Final answer
    x = 4,630.78

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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.