Home / 2,170.33-3,247.43-1,293.30

Finding the Fourth Proportional to 2,170.33, 3,247.43 and 1,293.30

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Solution

The fourth proportional to 2,170.33, 3,247.43 and 1,293.30 is: 1,935.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170.33 : 3,247.43 = 1,293.30 : x
  2. Step 2: Convert to fraction form
    2,170.33/3,247.43 = 1,293.30/x
  3. Step 3: Cross multiply
    2,170.33x = 3,247.43 × 1,293.30
  4. Step 4: Simplify right side
    2,170.33x = 4,199,894.75
  5. Step 5: Solve for x
    x = 4,199,894.75/2,170.33
  6. Step 6: Final answer
    x = 1,935.14

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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.