Home / 3,864.75-5,796.45-1,784.58

Finding the Fourth Proportional to 3,864.75, 5,796.45 and 1,784.58

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Solution

The fourth proportional to 3,864.75, 5,796.45 and 1,784.58 is: 2,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864.75 : 5,796.45 = 1,784.58 : x
  2. Step 2: Convert to fraction form
    3,864.75/5,796.45 = 1,784.58/x
  3. Step 3: Cross multiply
    3,864.75x = 5,796.45 × 1,784.58
  4. Step 4: Simplify right side
    3,864.75x = 10,344,199.76
  5. Step 5: Solve for x
    x = 10,344,199.76/3,864.75
  6. Step 6: Final answer
    x = 2,676.55

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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.