Home / 3,750.12-5,175.46-2,071.68

Finding the Fourth Proportional to 3,750.12, 5,175.46 and 2,071.68

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Solution

The fourth proportional to 3,750.12, 5,175.46 and 2,071.68 is: 2,859.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.12 : 5,175.46 = 2,071.68 : x
  2. Step 2: Convert to fraction form
    3,750.12/5,175.46 = 2,071.68/x
  3. Step 3: Cross multiply
    3,750.12x = 5,175.46 × 2,071.68
  4. Step 4: Simplify right side
    3,750.12x = 10,721,896.97
  5. Step 5: Solve for x
    x = 10,721,896.97/3,750.12
  6. Step 6: Final answer
    x = 2,859.08

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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.