Home / 3,515.64-5,273.52-2,896.92

Finding the Fourth Proportional to 3,515.64, 5,273.52 and 2,896.92

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Solution

The fourth proportional to 3,515.64, 5,273.52 and 2,896.92 is: 4,345.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.64 : 5,273.52 = 2,896.92 : x
  2. Step 2: Convert to fraction form
    3,515.64/5,273.52 = 2,896.92/x
  3. Step 3: Cross multiply
    3,515.64x = 5,273.52 × 2,896.92
  4. Step 4: Simplify right side
    3,515.64x = 15,276,965.56
  5. Step 5: Solve for x
    x = 15,276,965.56/3,515.64
  6. Step 6: Final answer
    x = 4,345.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.