Home / 3,274.56-4,911.77-1,425.40

Finding the Fourth Proportional to 3,274.56, 4,911.77 and 1,425.40

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Solution

The fourth proportional to 3,274.56, 4,911.77 and 1,425.40 is: 2,138.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,274.56 : 4,911.77 = 1,425.40 : x
  2. Step 2: Convert to fraction form
    3,274.56/4,911.77 = 1,425.40/x
  3. Step 3: Cross multiply
    3,274.56x = 4,911.77 × 1,425.40
  4. Step 4: Simplify right side
    3,274.56x = 7,001,228.24
  5. Step 5: Solve for x
    x = 7,001,228.24/3,274.56
  6. Step 6: Final answer
    x = 2,138.07

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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.