Home / 2,176.56-3,265.20-1,021.68

Finding the Fourth Proportional to 2,176.56, 3,265.20 and 1,021.68

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Solution

The fourth proportional to 2,176.56, 3,265.20 and 1,021.68 is: 1,532.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.56 : 3,265.20 = 1,021.68 : x
  2. Step 2: Convert to fraction form
    2,176.56/3,265.20 = 1,021.68/x
  3. Step 3: Cross multiply
    2,176.56x = 3,265.20 × 1,021.68
  4. Step 4: Simplify right side
    2,176.56x = 3,335,989.54
  5. Step 5: Solve for x
    x = 3,335,989.54/2,176.56
  6. Step 6: Final answer
    x = 1,532.69

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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.