Home / 2,328.20-3,212.89-1,266

Finding the Fourth Proportional to 2,328.20, 3,212.89 and 1,266

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Solution

The fourth proportional to 2,328.20, 3,212.89 and 1,266 is: 1,747.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,328.20 : 3,212.89 = 1,266 : x
  2. Step 2: Convert to fraction form
    2,328.20/3,212.89 = 1,266/x
  3. Step 3: Cross multiply
    2,328.20x = 3,212.89 × 1,266
  4. Step 4: Simplify right side
    2,328.20x = 4,067,518.74
  5. Step 5: Solve for x
    x = 4,067,518.74/2,328.20
  6. Step 6: Final answer
    x = 1,747.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.