Home / 2,015.24-3,023.16-919.92

Finding the Fourth Proportional to 2,015.24, 3,023.16 and 919.92

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Solution

The fourth proportional to 2,015.24, 3,023.16 and 919.92 is: 1,380.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015.24 : 3,023.16 = 919.92 : x
  2. Step 2: Convert to fraction form
    2,015.24/3,023.16 = 919.92/x
  3. Step 3: Cross multiply
    2,015.24x = 3,023.16 × 919.92
  4. Step 4: Simplify right side
    2,015.24x = 2,781,065.35
  5. Step 5: Solve for x
    x = 2,781,065.35/2,015.24
  6. Step 6: Final answer
    x = 1,380.02

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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.