Home / 3,389.04-4,665.60-3,039.12

Finding the Fourth Proportional to 3,389.04, 4,665.60 and 3,039.12

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Solution

The fourth proportional to 3,389.04, 4,665.60 and 3,039.12 is: 4,183.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389.04 : 4,665.60 = 3,039.12 : x
  2. Step 2: Convert to fraction form
    3,389.04/4,665.60 = 3,039.12/x
  3. Step 3: Cross multiply
    3,389.04x = 4,665.60 × 3,039.12
  4. Step 4: Simplify right side
    3,389.04x = 14,179,318.27
  5. Step 5: Solve for x
    x = 14,179,318.27/3,389.04
  6. Step 6: Final answer
    x = 4,183.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.