Home / 3,888.34-5,827.39-1,578.58

Finding the Fourth Proportional to 3,888.34, 5,827.39 and 1,578.58

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Solution

The fourth proportional to 3,888.34, 5,827.39 and 1,578.58 is: 2,365.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888.34 : 5,827.39 = 1,578.58 : x
  2. Step 2: Convert to fraction form
    3,888.34/5,827.39 = 1,578.58/x
  3. Step 3: Cross multiply
    3,888.34x = 5,827.39 × 1,578.58
  4. Step 4: Simplify right side
    3,888.34x = 9,199,001.31
  5. Step 5: Solve for x
    x = 9,199,001.31/3,888.34
  6. Step 6: Final answer
    x = 2,365.79

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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.