Home / 3,614.06-5,425.40-2,153.90

Finding the Fourth Proportional to 3,614.06, 5,425.40 and 2,153.90

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Solution

The fourth proportional to 3,614.06, 5,425.40 and 2,153.90 is: 3,233.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.06 : 5,425.40 = 2,153.90 : x
  2. Step 2: Convert to fraction form
    3,614.06/5,425.40 = 2,153.90/x
  3. Step 3: Cross multiply
    3,614.06x = 5,425.40 × 2,153.90
  4. Step 4: Simplify right side
    3,614.06x = 11,685,769.06
  5. Step 5: Solve for x
    x = 11,685,769.06/3,614.06
  6. Step 6: Final answer
    x = 3,233.42

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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.