Home / 3,750.32-5,175.42-2,071.71

Finding the Fourth Proportional to 3,750.32, 5,175.42 and 2,071.71

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Solution

The fourth proportional to 3,750.32, 5,175.42 and 2,071.71 is: 2,858.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.32 : 5,175.42 = 2,071.71 : x
  2. Step 2: Convert to fraction form
    3,750.32/5,175.42 = 2,071.71/x
  3. Step 3: Cross multiply
    3,750.32x = 5,175.42 × 2,071.71
  4. Step 4: Simplify right side
    3,750.32x = 10,721,961.60
  5. Step 5: Solve for x
    x = 10,721,961.60/3,750.32
  6. Step 6: Final answer
    x = 2,858.94

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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.