Home / 3,365.10-5,049.72-2,130.84

Finding the Fourth Proportional to 3,365.10, 5,049.72 and 2,130.84

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Solution

The fourth proportional to 3,365.10, 5,049.72 and 2,130.84 is: 3,197.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,365.10 : 5,049.72 = 2,130.84 : x
  2. Step 2: Convert to fraction form
    3,365.10/5,049.72 = 2,130.84/x
  3. Step 3: Cross multiply
    3,365.10x = 5,049.72 × 2,130.84
  4. Step 4: Simplify right side
    3,365.10x = 10,760,145.36
  5. Step 5: Solve for x
    x = 10,760,145.36/3,365.10
  6. Step 6: Final answer
    x = 3,197.57

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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.