Home / 3,455.14-5,183.72-1,607.36

Finding the Fourth Proportional to 3,455.14, 5,183.72 and 1,607.36

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Solution

The fourth proportional to 3,455.14, 5,183.72 and 1,607.36 is: 2,411.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.14 : 5,183.72 = 1,607.36 : x
  2. Step 2: Convert to fraction form
    3,455.14/5,183.72 = 1,607.36/x
  3. Step 3: Cross multiply
    3,455.14x = 5,183.72 × 1,607.36
  4. Step 4: Simplify right side
    3,455.14x = 8,332,104.18
  5. Step 5: Solve for x
    x = 8,332,104.18/3,455.14
  6. Step 6: Final answer
    x = 2,411.51

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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.