Home / 3,750.16-5,174.80-2,071.48

Finding the Fourth Proportional to 3,750.16, 5,174.80 and 2,071.48

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Solution

The fourth proportional to 3,750.16, 5,174.80 and 2,071.48 is: 2,858.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.16 : 5,174.80 = 2,071.48 : x
  2. Step 2: Convert to fraction form
    3,750.16/5,174.80 = 2,071.48/x
  3. Step 3: Cross multiply
    3,750.16x = 5,174.80 × 2,071.48
  4. Step 4: Simplify right side
    3,750.16x = 10,719,494.70
  5. Step 5: Solve for x
    x = 10,719,494.70/3,750.16
  6. Step 6: Final answer
    x = 2,858.41

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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.