Home / 4,121.32-6,180.70-1,488.49

Finding the Fourth Proportional to 4,121.32, 6,180.70 and 1,488.49

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Solution

The fourth proportional to 4,121.32, 6,180.70 and 1,488.49 is: 2,232.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,121.32 : 6,180.70 = 1,488.49 : x
  2. Step 2: Convert to fraction form
    4,121.32/6,180.70 = 1,488.49/x
  3. Step 3: Cross multiply
    4,121.32x = 6,180.70 × 1,488.49
  4. Step 4: Simplify right side
    4,121.32x = 9,199,910.14
  5. Step 5: Solve for x
    x = 9,199,910.14/4,121.32
  6. Step 6: Final answer
    x = 2,232.27

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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.