Home / 3,709.16-5,118.63-2,137.25

Finding the Fourth Proportional to 3,709.16, 5,118.63 and 2,137.25

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Solution

The fourth proportional to 3,709.16, 5,118.63 and 2,137.25 is: 2,949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,709.16 : 5,118.63 = 2,137.25 : x
  2. Step 2: Convert to fraction form
    3,709.16/5,118.63 = 2,137.25/x
  3. Step 3: Cross multiply
    3,709.16x = 5,118.63 × 2,137.25
  4. Step 4: Simplify right side
    3,709.16x = 10,939,791.97
  5. Step 5: Solve for x
    x = 10,939,791.97/3,709.16
  6. Step 6: Final answer
    x = 2,949.40

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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.