Home / 3,896.10-5,840.64-1,429.25

Finding the Fourth Proportional to 3,896.10, 5,840.64 and 1,429.25

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Solution

The fourth proportional to 3,896.10, 5,840.64 and 1,429.25 is: 2,142.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,896.10 : 5,840.64 = 1,429.25 : x
  2. Step 2: Convert to fraction form
    3,896.10/5,840.64 = 1,429.25/x
  3. Step 3: Cross multiply
    3,896.10x = 5,840.64 × 1,429.25
  4. Step 4: Simplify right side
    3,896.10x = 8,347,705.52
  5. Step 5: Solve for x
    x = 8,347,705.52/3,896.10
  6. Step 6: Final answer
    x = 2,142.58

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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.