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Finding the Fourth Proportional to 3,885.71, 5,365.04 and 2,394.09

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Solution

The fourth proportional to 3,885.71, 5,365.04 and 2,394.09 is: 3,305.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.71 : 5,365.04 = 2,394.09 : x
  2. Step 2: Convert to fraction form
    3,885.71/5,365.04 = 2,394.09/x
  3. Step 3: Cross multiply
    3,885.71x = 5,365.04 × 2,394.09
  4. Step 4: Simplify right side
    3,885.71x = 12,844,376.64
  5. Step 5: Solve for x
    x = 12,844,376.64/3,885.71
  6. Step 6: Final answer
    x = 3,305.55

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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.