Home / 3,747.94-5,170.89-2,175.46

Finding the Fourth Proportional to 3,747.94, 5,170.89 and 2,175.46

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Solution

The fourth proportional to 3,747.94, 5,170.89 and 2,175.46 is: 3,001.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.94 : 5,170.89 = 2,175.46 : x
  2. Step 2: Convert to fraction form
    3,747.94/5,170.89 = 2,175.46/x
  3. Step 3: Cross multiply
    3,747.94x = 5,170.89 × 2,175.46
  4. Step 4: Simplify right side
    3,747.94x = 11,249,064.36
  5. Step 5: Solve for x
    x = 11,249,064.36/3,747.94
  6. Step 6: Final answer
    x = 3,001.40

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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.