Home / 3,518.43-5,277.71-1,178.47

Finding the Fourth Proportional to 3,518.43, 5,277.71 and 1,178.47

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Solution

The fourth proportional to 3,518.43, 5,277.71 and 1,178.47 is: 1,767.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,518.43 : 5,277.71 = 1,178.47 : x
  2. Step 2: Convert to fraction form
    3,518.43/5,277.71 = 1,178.47/x
  3. Step 3: Cross multiply
    3,518.43x = 5,277.71 × 1,178.47
  4. Step 4: Simplify right side
    3,518.43x = 6,219,622.90
  5. Step 5: Solve for x
    x = 6,219,622.90/3,518.43
  6. Step 6: Final answer
    x = 1,767.73

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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.