Home / 2,299.28-3,173.14-1,304.60

Finding the Fourth Proportional to 2,299.28, 3,173.14 and 1,304.60

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Solution

The fourth proportional to 2,299.28, 3,173.14 and 1,304.60 is: 1,800.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,299.28 : 3,173.14 = 1,304.60 : x
  2. Step 2: Convert to fraction form
    2,299.28/3,173.14 = 1,304.60/x
  3. Step 3: Cross multiply
    2,299.28x = 3,173.14 × 1,304.60
  4. Step 4: Simplify right side
    2,299.28x = 4,139,678.44
  5. Step 5: Solve for x
    x = 4,139,678.44/2,299.28
  6. Step 6: Final answer
    x = 1,800.42

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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.