Home / 3,219.57-4,830.27-1,660.71

Finding the Fourth Proportional to 3,219.57, 4,830.27 and 1,660.71

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Solution

The fourth proportional to 3,219.57, 4,830.27 and 1,660.71 is: 2,491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.57 : 4,830.27 = 1,660.71 : x
  2. Step 2: Convert to fraction form
    3,219.57/4,830.27 = 1,660.71/x
  3. Step 3: Cross multiply
    3,219.57x = 4,830.27 × 1,660.71
  4. Step 4: Simplify right side
    3,219.57x = 8,021,677.69
  5. Step 5: Solve for x
    x = 8,021,677.69/3,219.57
  6. Step 6: Final answer
    x = 2,491.54

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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.