Home / 3,400.92-5,103.56-1,453.12

Finding the Fourth Proportional to 3,400.92, 5,103.56 and 1,453.12

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Solution

The fourth proportional to 3,400.92, 5,103.56 and 1,453.12 is: 2,180.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,400.92 : 5,103.56 = 1,453.12 : x
  2. Step 2: Convert to fraction form
    3,400.92/5,103.56 = 1,453.12/x
  3. Step 3: Cross multiply
    3,400.92x = 5,103.56 × 1,453.12
  4. Step 4: Simplify right side
    3,400.92x = 7,416,085.11
  5. Step 5: Solve for x
    x = 7,416,085.11/3,400.92
  6. Step 6: Final answer
    x = 2,180.61

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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.