Home / 3,386.45-5,078.14-1,537.49

Finding the Fourth Proportional to 3,386.45, 5,078.14 and 1,537.49

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Solution

The fourth proportional to 3,386.45, 5,078.14 and 1,537.49 is: 2,305.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,386.45 : 5,078.14 = 1,537.49 : x
  2. Step 2: Convert to fraction form
    3,386.45/5,078.14 = 1,537.49/x
  3. Step 3: Cross multiply
    3,386.45x = 5,078.14 × 1,537.49
  4. Step 4: Simplify right side
    3,386.45x = 7,807,589.47
  5. Step 5: Solve for x
    x = 7,807,589.47/3,386.45
  6. Step 6: Final answer
    x = 2,305.54

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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.