Home / 3,071.37-4,238.99-1,876.62

Finding the Fourth Proportional to 3,071.37, 4,238.99 and 1,876.62

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Solution

The fourth proportional to 3,071.37, 4,238.99 and 1,876.62 is: 2,590.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,071.37 : 4,238.99 = 1,876.62 : x
  2. Step 2: Convert to fraction form
    3,071.37/4,238.99 = 1,876.62/x
  3. Step 3: Cross multiply
    3,071.37x = 4,238.99 × 1,876.62
  4. Step 4: Simplify right side
    3,071.37x = 7,954,964.03
  5. Step 5: Solve for x
    x = 7,954,964.03/3,071.37
  6. Step 6: Final answer
    x = 2,590.04

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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.