Home / 3,453.71-4,765.45-2,389.82

Finding the Fourth Proportional to 3,453.71, 4,765.45 and 2,389.82

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Solution

The fourth proportional to 3,453.71, 4,765.45 and 2,389.82 is: 3,297.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.71 : 4,765.45 = 2,389.82 : x
  2. Step 2: Convert to fraction form
    3,453.71/4,765.45 = 2,389.82/x
  3. Step 3: Cross multiply
    3,453.71x = 4,765.45 × 2,389.82
  4. Step 4: Simplify right side
    3,453.71x = 11,388,555.77
  5. Step 5: Solve for x
    x = 11,388,555.77/3,453.71
  6. Step 6: Final answer
    x = 3,297.48

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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.