Home / 3,761.20-5,638.08-1,783.35

Finding the Fourth Proportional to 3,761.20, 5,638.08 and 1,783.35

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Solution

The fourth proportional to 3,761.20, 5,638.08 and 1,783.35 is: 2,673.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.20 : 5,638.08 = 1,783.35 : x
  2. Step 2: Convert to fraction form
    3,761.20/5,638.08 = 1,783.35/x
  3. Step 3: Cross multiply
    3,761.20x = 5,638.08 × 1,783.35
  4. Step 4: Simplify right side
    3,761.20x = 10,054,669.97
  5. Step 5: Solve for x
    x = 10,054,669.97/3,761.20
  6. Step 6: Final answer
    x = 2,673.26

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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.