Home / 2,664.52-3,996.95-1,274.02

Finding the Fourth Proportional to 2,664.52, 3,996.95 and 1,274.02

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Solution

The fourth proportional to 2,664.52, 3,996.95 and 1,274.02 is: 1,911.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664.52 : 3,996.95 = 1,274.02 : x
  2. Step 2: Convert to fraction form
    2,664.52/3,996.95 = 1,274.02/x
  3. Step 3: Cross multiply
    2,664.52x = 3,996.95 × 1,274.02
  4. Step 4: Simplify right side
    2,664.52x = 5,092,177.88
  5. Step 5: Solve for x
    x = 5,092,177.88/2,664.52
  6. Step 6: Final answer
    x = 1,911.11

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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.