Home / 3,709.38-5,118.62-2,382.94

Finding the Fourth Proportional to 3,709.38, 5,118.62 and 2,382.94

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Solution

The fourth proportional to 3,709.38, 5,118.62 and 2,382.94 is: 3,288.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.38 : 5,118.62 = 2,382.94 : x
  2. Step 2: Convert to fraction form
    3,709.38/5,118.62 = 2,382.94/x
  3. Step 3: Cross multiply
    3,709.38x = 5,118.62 × 2,382.94
  4. Step 4: Simplify right side
    3,709.38x = 12,197,364.34
  5. Step 5: Solve for x
    x = 12,197,364.34/3,709.38
  6. Step 6: Final answer
    x = 3,288.25

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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.