Home / 3,453.45-5,182.07-1,605.44

Finding the Fourth Proportional to 3,453.45, 5,182.07 and 1,605.44

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Solution

The fourth proportional to 3,453.45, 5,182.07 and 1,605.44 is: 2,409.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,453.45 : 5,182.07 = 1,605.44 : x
  2. Step 2: Convert to fraction form
    3,453.45/5,182.07 = 1,605.44/x
  3. Step 3: Cross multiply
    3,453.45x = 5,182.07 × 1,605.44
  4. Step 4: Simplify right side
    3,453.45x = 8,319,468.52
  5. Step 5: Solve for x
    x = 8,319,468.52/3,453.45
  6. Step 6: Final answer
    x = 2,409.03

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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.