Home / 3,751.04-5,176.08-2,179.22

Finding the Fourth Proportional to 3,751.04, 5,176.08 and 2,179.22

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Solution

The fourth proportional to 3,751.04, 5,176.08 and 2,179.22 is: 3,007.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.04 : 5,176.08 = 2,179.22 : x
  2. Step 2: Convert to fraction form
    3,751.04/5,176.08 = 2,179.22/x
  3. Step 3: Cross multiply
    3,751.04x = 5,176.08 × 2,179.22
  4. Step 4: Simplify right side
    3,751.04x = 11,279,817.06
  5. Step 5: Solve for x
    x = 11,279,817.06/3,751.04
  6. Step 6: Final answer
    x = 3,007.12

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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.