Home / 3,526.28-5,278.92-2,135.44

Finding the Fourth Proportional to 3,526.28, 5,278.92 and 2,135.44

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Solution

The fourth proportional to 3,526.28, 5,278.92 and 2,135.44 is: 3,196.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,526.28 : 5,278.92 = 2,135.44 : x
  2. Step 2: Convert to fraction form
    3,526.28/5,278.92 = 2,135.44/x
  3. Step 3: Cross multiply
    3,526.28x = 5,278.92 × 2,135.44
  4. Step 4: Simplify right side
    3,526.28x = 11,272,816.92
  5. Step 5: Solve for x
    x = 11,272,816.92/3,526.28
  6. Step 6: Final answer
    x = 3,196.80

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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.