Home / 3,816.20-5,731.60-3,167.04

Finding the Fourth Proportional to 3,816.20, 5,731.60 and 3,167.04

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Solution

The fourth proportional to 3,816.20, 5,731.60 and 3,167.04 is: 4,756.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,816.20 : 5,731.60 = 3,167.04 : x
  2. Step 2: Convert to fraction form
    3,816.20/5,731.60 = 3,167.04/x
  3. Step 3: Cross multiply
    3,816.20x = 5,731.60 × 3,167.04
  4. Step 4: Simplify right side
    3,816.20x = 18,152,206.46
  5. Step 5: Solve for x
    x = 18,152,206.46/3,816.20
  6. Step 6: Final answer
    x = 4,756.62

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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.