Home / 2,299.76-3,176.52-2,265.20

Finding the Fourth Proportional to 2,299.76, 3,176.52 and 2,265.20

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Solution

The fourth proportional to 2,299.76, 3,176.52 and 2,265.20 is: 3,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.76 : 3,176.52 = 2,265.20 : x
  2. Step 2: Convert to fraction form
    2,299.76/3,176.52 = 2,265.20/x
  3. Step 3: Cross multiply
    2,299.76x = 3,176.52 × 2,265.20
  4. Step 4: Simplify right side
    2,299.76x = 7,195,453.10
  5. Step 5: Solve for x
    x = 7,195,453.10/2,299.76
  6. Step 6: Final answer
    x = 3,128.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.