Home / 3,530.76-5,297.42-2,885.64

Finding the Fourth Proportional to 3,530.76, 5,297.42 and 2,885.64

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Solution

The fourth proportional to 3,530.76, 5,297.42 and 2,885.64 is: 4,329.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.76 : 5,297.42 = 2,885.64 : x
  2. Step 2: Convert to fraction form
    3,530.76/5,297.42 = 2,885.64/x
  3. Step 3: Cross multiply
    3,530.76x = 5,297.42 × 2,885.64
  4. Step 4: Simplify right side
    3,530.76x = 15,286,447.05
  5. Step 5: Solve for x
    x = 15,286,447.05/3,530.76
  6. Step 6: Final answer
    x = 4,329.51

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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.