Home / 3,806.23-5,708.71-1,340.47

Finding the Fourth Proportional to 3,806.23, 5,708.71 and 1,340.47

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Solution

The fourth proportional to 3,806.23, 5,708.71 and 1,340.47 is: 2,010.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.23 : 5,708.71 = 1,340.47 : x
  2. Step 2: Convert to fraction form
    3,806.23/5,708.71 = 1,340.47/x
  3. Step 3: Cross multiply
    3,806.23x = 5,708.71 × 1,340.47
  4. Step 4: Simplify right side
    3,806.23x = 7,652,354.49
  5. Step 5: Solve for x
    x = 7,652,354.49/3,806.23
  6. Step 6: Final answer
    x = 2,010.48

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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.