Home / 3,480.18-5,216.76-2,182.56

Finding the Fourth Proportional to 3,480.18, 5,216.76 and 2,182.56

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Solution

The fourth proportional to 3,480.18, 5,216.76 and 2,182.56 is: 3,271.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,480.18 : 5,216.76 = 2,182.56 : x
  2. Step 2: Convert to fraction form
    3,480.18/5,216.76 = 2,182.56/x
  3. Step 3: Cross multiply
    3,480.18x = 5,216.76 × 2,182.56
  4. Step 4: Simplify right side
    3,480.18x = 11,385,891.71
  5. Step 5: Solve for x
    x = 11,385,891.71/3,480.18
  6. Step 6: Final answer
    x = 3,271.64

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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.