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Finding the Fourth Proportional to 3,899.60, 5,846.64 and 1,950.40

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Solution

The fourth proportional to 3,899.60, 5,846.64 and 1,950.40 is: 2,924.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,899.60 : 5,846.64 = 1,950.40 : x
  2. Step 2: Convert to fraction form
    3,899.60/5,846.64 = 1,950.40/x
  3. Step 3: Cross multiply
    3,899.60x = 5,846.64 × 1,950.40
  4. Step 4: Simplify right side
    3,899.60x = 11,403,286.66
  5. Step 5: Solve for x
    x = 11,403,286.66/3,899.60
  6. Step 6: Final answer
    x = 2,924.22

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Similar ratio
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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.