Home / 3,404.16-5,106.58-938.99

Finding the Fourth Proportional to 3,404.16, 5,106.58 and 938.99

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Solution

The fourth proportional to 3,404.16, 5,106.58 and 938.99 is: 1,408.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,404.16 : 5,106.58 = 938.99 : x
  2. Step 2: Convert to fraction form
    3,404.16/5,106.58 = 938.99/x
  3. Step 3: Cross multiply
    3,404.16x = 5,106.58 × 938.99
  4. Step 4: Simplify right side
    3,404.16x = 4,795,037.97
  5. Step 5: Solve for x
    x = 4,795,037.97/3,404.16
  6. Step 6: Final answer
    x = 1,408.58

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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.