Home / 3,014.70-4,512.45-2,150.70

Finding the Fourth Proportional to 3,014.70, 4,512.45 and 2,150.70

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Solution

The fourth proportional to 3,014.70, 4,512.45 and 2,150.70 is: 3,219.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,014.70 : 4,512.45 = 2,150.70 : x
  2. Step 2: Convert to fraction form
    3,014.70/4,512.45 = 2,150.70/x
  3. Step 3: Cross multiply
    3,014.70x = 4,512.45 × 2,150.70
  4. Step 4: Simplify right side
    3,014.70x = 9,704,926.22
  5. Step 5: Solve for x
    x = 9,704,926.22/3,014.70
  6. Step 6: Final answer
    x = 3,219.20

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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.