Home / 4,176.63-5,763.69-2,288.21

Finding the Fourth Proportional to 4,176.63, 5,763.69 and 2,288.21

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Solution

The fourth proportional to 4,176.63, 5,763.69 and 2,288.21 is: 3,157.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,176.63 : 5,763.69 = 2,288.21 : x
  2. Step 2: Convert to fraction form
    4,176.63/5,763.69 = 2,288.21/x
  3. Step 3: Cross multiply
    4,176.63x = 5,763.69 × 2,288.21
  4. Step 4: Simplify right side
    4,176.63x = 13,188,504.28
  5. Step 5: Solve for x
    x = 13,188,504.28/4,176.63
  6. Step 6: Final answer
    x = 3,157.69

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1.5x scale

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.