Home / 3,488.64-5,229.68-1,178.52

Finding the Fourth Proportional to 3,488.64, 5,229.68 and 1,178.52

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Solution

The fourth proportional to 3,488.64, 5,229.68 and 1,178.52 is: 1,766.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,488.64 : 5,229.68 = 1,178.52 : x
  2. Step 2: Convert to fraction form
    3,488.64/5,229.68 = 1,178.52/x
  3. Step 3: Cross multiply
    3,488.64x = 5,229.68 × 1,178.52
  4. Step 4: Simplify right side
    3,488.64x = 6,163,282.47
  5. Step 5: Solve for x
    x = 6,163,282.47/3,488.64
  6. Step 6: Final answer
    x = 1,766.67

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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.