Home / 3,768.41-5,200.36-2,175.24

Finding the Fourth Proportional to 3,768.41, 5,200.36 and 2,175.24

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Solution

The fourth proportional to 3,768.41, 5,200.36 and 2,175.24 is: 3,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,768.41 : 5,200.36 = 2,175.24 : x
  2. Step 2: Convert to fraction form
    3,768.41/5,200.36 = 2,175.24/x
  3. Step 3: Cross multiply
    3,768.41x = 5,200.36 × 2,175.24
  4. Step 4: Simplify right side
    3,768.41x = 11,312,031.09
  5. Step 5: Solve for x
    x = 11,312,031.09/3,768.41
  6. Step 6: Final answer
    x = 3,001.80

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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.