Home / 3,768.04-5,200.32-2,174.80

Finding the Fourth Proportional to 3,768.04, 5,200.32 and 2,174.80

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Solution

The fourth proportional to 3,768.04, 5,200.32 and 2,174.80 is: 3,001.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.04 : 5,200.32 = 2,174.80 : x
  2. Step 2: Convert to fraction form
    3,768.04/5,200.32 = 2,174.80/x
  3. Step 3: Cross multiply
    3,768.04x = 5,200.32 × 2,174.80
  4. Step 4: Simplify right side
    3,768.04x = 11,309,655.94
  5. Step 5: Solve for x
    x = 11,309,655.94/3,768.04
  6. Step 6: Final answer
    x = 3,001.47

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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.