Home / 3,015.28-4,521.44-1,433.56

Finding the Fourth Proportional to 3,015.28, 4,521.44 and 1,433.56

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Solution

The fourth proportional to 3,015.28, 4,521.44 and 1,433.56 is: 2,149.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,015.28 : 4,521.44 = 1,433.56 : x
  2. Step 2: Convert to fraction form
    3,015.28/4,521.44 = 1,433.56/x
  3. Step 3: Cross multiply
    3,015.28x = 4,521.44 × 1,433.56
  4. Step 4: Simplify right side
    3,015.28x = 6,481,748.36
  5. Step 5: Solve for x
    x = 6,481,748.36/3,015.28
  6. Step 6: Final answer
    x = 2,149.63

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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.