Home / 3,709.14-5,122.09-2,385.15

Finding the Fourth Proportional to 3,709.14, 5,122.09 and 2,385.15

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Solution

The fourth proportional to 3,709.14, 5,122.09 and 2,385.15 is: 3,293.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.14 : 5,122.09 = 2,385.15 : x
  2. Step 2: Convert to fraction form
    3,709.14/5,122.09 = 2,385.15/x
  3. Step 3: Cross multiply
    3,709.14x = 5,122.09 × 2,385.15
  4. Step 4: Simplify right side
    3,709.14x = 12,216,923.32
  5. Step 5: Solve for x
    x = 12,216,923.32/3,709.14
  6. Step 6: Final answer
    x = 3,293.73

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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.