Home / 3,810.39-5,253.30-2,747.27

Finding the Fourth Proportional to 3,810.39, 5,253.30 and 2,747.27

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Solution

The fourth proportional to 3,810.39, 5,253.30 and 2,747.27 is: 3,787.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.39 : 5,253.30 = 2,747.27 : x
  2. Step 2: Convert to fraction form
    3,810.39/5,253.30 = 2,747.27/x
  3. Step 3: Cross multiply
    3,810.39x = 5,253.30 × 2,747.27
  4. Step 4: Simplify right side
    3,810.39x = 14,432,207.22
  5. Step 5: Solve for x
    x = 14,432,207.22/3,810.39
  6. Step 6: Final answer
    x = 3,787.59

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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.