Home / 1,884.28-2,825.88-1,154.20

Finding the Fourth Proportional to 1,884.28, 2,825.88 and 1,154.20

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Solution

The fourth proportional to 1,884.28, 2,825.88 and 1,154.20 is: 1,730.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,884.28 : 2,825.88 = 1,154.20 : x
  2. Step 2: Convert to fraction form
    1,884.28/2,825.88 = 1,154.20/x
  3. Step 3: Cross multiply
    1,884.28x = 2,825.88 × 1,154.20
  4. Step 4: Simplify right side
    1,884.28x = 3,261,630.70
  5. Step 5: Solve for x
    x = 3,261,630.70/1,884.28
  6. Step 6: Final answer
    x = 1,730.97

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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.