Home / 2,708.08-3,736.68-1,529.12

Finding the Fourth Proportional to 2,708.08, 3,736.68 and 1,529.12

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Solution

The fourth proportional to 2,708.08, 3,736.68 and 1,529.12 is: 2,109.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,708.08 : 3,736.68 = 1,529.12 : x
  2. Step 2: Convert to fraction form
    2,708.08/3,736.68 = 1,529.12/x
  3. Step 3: Cross multiply
    2,708.08x = 3,736.68 × 1,529.12
  4. Step 4: Simplify right side
    2,708.08x = 5,713,832.12
  5. Step 5: Solve for x
    x = 5,713,832.12/2,708.08
  6. Step 6: Final answer
    x = 2,109.92

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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.