Home / 3,784.11-5,676.13-1,475.61

Finding the Fourth Proportional to 3,784.11, 5,676.13 and 1,475.61

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Solution

The fourth proportional to 3,784.11, 5,676.13 and 1,475.61 is: 2,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.11 : 5,676.13 = 1,475.61 : x
  2. Step 2: Convert to fraction form
    3,784.11/5,676.13 = 1,475.61/x
  3. Step 3: Cross multiply
    3,784.11x = 5,676.13 × 1,475.61
  4. Step 4: Simplify right side
    3,784.11x = 8,375,754.19
  5. Step 5: Solve for x
    x = 8,375,754.19/3,784.11
  6. Step 6: Final answer
    x = 2,213.40

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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.