Home / 2,617.28-3,921.84-1,518.92

Finding the Fourth Proportional to 2,617.28, 3,921.84 and 1,518.92

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Solution

The fourth proportional to 2,617.28, 3,921.84 and 1,518.92 is: 2,276.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617.28 : 3,921.84 = 1,518.92 : x
  2. Step 2: Convert to fraction form
    2,617.28/3,921.84 = 1,518.92/x
  3. Step 3: Cross multiply
    2,617.28x = 3,921.84 × 1,518.92
  4. Step 4: Simplify right side
    2,617.28x = 5,956,961.21
  5. Step 5: Solve for x
    x = 5,956,961.21/2,617.28
  6. Step 6: Final answer
    x = 2,276.01

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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.