Home / 4,168.07-5,751.69-2,279.28

Finding the Fourth Proportional to 4,168.07, 5,751.69 and 2,279.28

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Solution

The fourth proportional to 4,168.07, 5,751.69 and 2,279.28 is: 3,145.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,168.07 : 5,751.69 = 2,279.28 : x
  2. Step 2: Convert to fraction form
    4,168.07/5,751.69 = 2,279.28/x
  3. Step 3: Cross multiply
    4,168.07x = 5,751.69 × 2,279.28
  4. Step 4: Simplify right side
    4,168.07x = 13,109,711.98
  5. Step 5: Solve for x
    x = 13,109,711.98/4,168.07
  6. Step 6: Final answer
    x = 3,145.28

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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.