Home / 3,881.12-5,349.65-3,284.96

Finding the Fourth Proportional to 3,881.12, 5,349.65 and 3,284.96

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Solution

The fourth proportional to 3,881.12, 5,349.65 and 3,284.96 is: 4,527.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,881.12 : 5,349.65 = 3,284.96 : x
  2. Step 2: Convert to fraction form
    3,881.12/5,349.65 = 3,284.96/x
  3. Step 3: Cross multiply
    3,881.12x = 5,349.65 × 3,284.96
  4. Step 4: Simplify right side
    3,881.12x = 17,573,343.09
  5. Step 5: Solve for x
    x = 17,573,343.09/3,881.12
  6. Step 6: Final answer
    x = 4,527.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.