Home / 3,318.13-4,967.47-2,619.91

Finding the Fourth Proportional to 3,318.13, 4,967.47 and 2,619.91

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Solution

The fourth proportional to 3,318.13, 4,967.47 and 2,619.91 is: 3,922.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,318.13 : 4,967.47 = 2,619.91 : x
  2. Step 2: Convert to fraction form
    3,318.13/4,967.47 = 2,619.91/x
  3. Step 3: Cross multiply
    3,318.13x = 4,967.47 × 2,619.91
  4. Step 4: Simplify right side
    3,318.13x = 13,014,324.33
  5. Step 5: Solve for x
    x = 13,014,324.33/3,318.13
  6. Step 6: Final answer
    x = 3,922.19

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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.