Home / 2,147.23-3,221.06-1,684.16

Finding the Fourth Proportional to 2,147.23, 3,221.06 and 1,684.16

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Solution

The fourth proportional to 2,147.23, 3,221.06 and 1,684.16 is: 2,526.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,147.23 : 3,221.06 = 1,684.16 : x
  2. Step 2: Convert to fraction form
    2,147.23/3,221.06 = 1,684.16/x
  3. Step 3: Cross multiply
    2,147.23x = 3,221.06 × 1,684.16
  4. Step 4: Simplify right side
    2,147.23x = 5,424,755.88
  5. Step 5: Solve for x
    x = 5,424,755.88/2,147.23
  6. Step 6: Final answer
    x = 2,526.40

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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.