Home / 2,274.28-3,411.60-1,301.20

Finding the Fourth Proportional to 2,274.28, 3,411.60 and 1,301.20

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Solution

The fourth proportional to 2,274.28, 3,411.60 and 1,301.20 is: 1,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,274.28 : 3,411.60 = 1,301.20 : x
  2. Step 2: Convert to fraction form
    2,274.28/3,411.60 = 1,301.20/x
  3. Step 3: Cross multiply
    2,274.28x = 3,411.60 × 1,301.20
  4. Step 4: Simplify right side
    2,274.28x = 4,439,173.92
  5. Step 5: Solve for x
    x = 4,439,173.92/2,274.28
  6. Step 6: Final answer
    x = 1,951.90

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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.