Home / 3,788.69-5,682.36-1,155.56

Finding the Fourth Proportional to 3,788.69, 5,682.36 and 1,155.56

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Solution

The fourth proportional to 3,788.69, 5,682.36 and 1,155.56 is: 1,733.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,788.69 : 5,682.36 = 1,155.56 : x
  2. Step 2: Convert to fraction form
    3,788.69/5,682.36 = 1,155.56/x
  3. Step 3: Cross multiply
    3,788.69x = 5,682.36 × 1,155.56
  4. Step 4: Simplify right side
    3,788.69x = 6,566,307.92
  5. Step 5: Solve for x
    x = 6,566,307.92/3,788.69
  6. Step 6: Final answer
    x = 1,733.13

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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.