Home / 3,407.20-5,110.08-1,216.06

Finding the Fourth Proportional to 3,407.20, 5,110.08 and 1,216.06

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Solution

The fourth proportional to 3,407.20, 5,110.08 and 1,216.06 is: 1,823.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.20 : 5,110.08 = 1,216.06 : x
  2. Step 2: Convert to fraction form
    3,407.20/5,110.08 = 1,216.06/x
  3. Step 3: Cross multiply
    3,407.20x = 5,110.08 × 1,216.06
  4. Step 4: Simplify right side
    3,407.20x = 6,214,163.88
  5. Step 5: Solve for x
    x = 6,214,163.88/3,407.20
  6. Step 6: Final answer
    x = 1,823.83

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1.5x scale

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.