Home / 3,503.28-5,250.12-3,007.68

Finding the Fourth Proportional to 3,503.28, 5,250.12 and 3,007.68

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Solution

The fourth proportional to 3,503.28, 5,250.12 and 3,007.68 is: 4,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.28 : 5,250.12 = 3,007.68 : x
  2. Step 2: Convert to fraction form
    3,503.28/5,250.12 = 3,007.68/x
  3. Step 3: Cross multiply
    3,503.28x = 5,250.12 × 3,007.68
  4. Step 4: Simplify right side
    3,503.28x = 15,790,680.92
  5. Step 5: Solve for x
    x = 15,790,680.92/3,503.28
  6. Step 6: Final answer
    x = 4,507.40

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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.