Home / 2,664.34-3,996.55-2,170.18

Finding the Fourth Proportional to 2,664.34, 3,996.55 and 2,170.18

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Solution

The fourth proportional to 2,664.34, 3,996.55 and 2,170.18 is: 3,255.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664.34 : 3,996.55 = 2,170.18 : x
  2. Step 2: Convert to fraction form
    2,664.34/3,996.55 = 2,170.18/x
  3. Step 3: Cross multiply
    2,664.34x = 3,996.55 × 2,170.18
  4. Step 4: Simplify right side
    2,664.34x = 8,673,238.02
  5. Step 5: Solve for x
    x = 8,673,238.02/2,664.34
  6. Step 6: Final answer
    x = 3,255.30

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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.