Home / 3,784.21-5,676.36-1,152.15

Finding the Fourth Proportional to 3,784.21, 5,676.36 and 1,152.15

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Solution

The fourth proportional to 3,784.21, 5,676.36 and 1,152.15 is: 1,728.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784.21 : 5,676.36 = 1,152.15 : x
  2. Step 2: Convert to fraction form
    3,784.21/5,676.36 = 1,152.15/x
  3. Step 3: Cross multiply
    3,784.21x = 5,676.36 × 1,152.15
  4. Step 4: Simplify right side
    3,784.21x = 6,540,018.17
  5. Step 5: Solve for x
    x = 6,540,018.17/3,784.21
  6. Step 6: Final answer
    x = 1,728.24

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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.