Home / 2,371.05-3,556.64-2,100.51

Finding the Fourth Proportional to 2,371.05, 3,556.64 and 2,100.51

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Solution

The fourth proportional to 2,371.05, 3,556.64 and 2,100.51 is: 3,150.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.05 : 3,556.64 = 2,100.51 : x
  2. Step 2: Convert to fraction form
    2,371.05/3,556.64 = 2,100.51/x
  3. Step 3: Cross multiply
    2,371.05x = 3,556.64 × 2,100.51
  4. Step 4: Simplify right side
    2,371.05x = 7,470,763.14
  5. Step 5: Solve for x
    x = 7,470,763.14/2,371.05
  6. Step 6: Final answer
    x = 3,150.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.