Home / 3,784.80-5,676.48-1,835.76

Finding the Fourth Proportional to 3,784.80, 5,676.48 and 1,835.76

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Solution

The fourth proportional to 3,784.80, 5,676.48 and 1,835.76 is: 2,753.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.80 : 5,676.48 = 1,835.76 : x
  2. Step 2: Convert to fraction form
    3,784.80/5,676.48 = 1,835.76/x
  3. Step 3: Cross multiply
    3,784.80x = 5,676.48 × 1,835.76
  4. Step 4: Simplify right side
    3,784.80x = 10,420,654.92
  5. Step 5: Solve for x
    x = 10,420,654.92/3,784.80
  6. Step 6: Final answer
    x = 2,753.29

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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.