Home / 3,007.28-4,508.04-1,908.92

Finding the Fourth Proportional to 3,007.28, 4,508.04 and 1,908.92

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Solution

The fourth proportional to 3,007.28, 4,508.04 and 1,908.92 is: 2,861.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.28 : 4,508.04 = 1,908.92 : x
  2. Step 2: Convert to fraction form
    3,007.28/4,508.04 = 1,908.92/x
  3. Step 3: Cross multiply
    3,007.28x = 4,508.04 × 1,908.92
  4. Step 4: Simplify right side
    3,007.28x = 8,605,487.72
  5. Step 5: Solve for x
    x = 8,605,487.72/3,007.28
  6. Step 6: Final answer
    x = 2,861.55

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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.