Home / 2,730.39-4,092.38-1,266.46

Finding the Fourth Proportional to 2,730.39, 4,092.38 and 1,266.46

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Solution

The fourth proportional to 2,730.39, 4,092.38 and 1,266.46 is: 1,898.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,730.39 : 4,092.38 = 1,266.46 : x
  2. Step 2: Convert to fraction form
    2,730.39/4,092.38 = 1,266.46/x
  3. Step 3: Cross multiply
    2,730.39x = 4,092.38 × 1,266.46
  4. Step 4: Simplify right side
    2,730.39x = 5,182,835.57
  5. Step 5: Solve for x
    x = 5,182,835.57/2,730.39
  6. Step 6: Final answer
    x = 1,898.20

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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.