Home / 2,371.06-3,556.60-1,138.18

Finding the Fourth Proportional to 2,371.06, 3,556.60 and 1,138.18

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Solution

The fourth proportional to 2,371.06, 3,556.60 and 1,138.18 is: 1,707.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,371.06 : 3,556.60 = 1,138.18 : x
  2. Step 2: Convert to fraction form
    2,371.06/3,556.60 = 1,138.18/x
  3. Step 3: Cross multiply
    2,371.06x = 3,556.60 × 1,138.18
  4. Step 4: Simplify right side
    2,371.06x = 4,048,050.99
  5. Step 5: Solve for x
    x = 4,048,050.99/2,371.06
  6. Step 6: Final answer
    x = 1,707.27

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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.