Home / 3,453.14-5,180.72-1,605.36

Finding the Fourth Proportional to 3,453.14, 5,180.72 and 1,605.36

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Solution

The fourth proportional to 3,453.14, 5,180.72 and 1,605.36 is: 2,408.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.14 : 5,180.72 = 1,605.36 : x
  2. Step 2: Convert to fraction form
    3,453.14/5,180.72 = 1,605.36/x
  3. Step 3: Cross multiply
    3,453.14x = 5,180.72 × 1,605.36
  4. Step 4: Simplify right side
    3,453.14x = 8,316,920.66
  5. Step 5: Solve for x
    x = 8,316,920.66/3,453.14
  6. Step 6: Final answer
    x = 2,408.51

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1.5x scale

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.