Home / 3,529.12-5,324.48-3,519.40

Finding the Fourth Proportional to 3,529.12, 5,324.48 and 3,519.40

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Solution

The fourth proportional to 3,529.12, 5,324.48 and 3,519.40 is: 5,309.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,529.12 : 5,324.48 = 3,519.40 : x
  2. Step 2: Convert to fraction form
    3,529.12/5,324.48 = 3,519.40/x
  3. Step 3: Cross multiply
    3,529.12x = 5,324.48 × 3,519.40
  4. Step 4: Simplify right side
    3,529.12x = 18,738,974.91
  5. Step 5: Solve for x
    x = 18,738,974.91/3,529.12
  6. Step 6: Final answer
    x = 5,309.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.