Home / 2,743.53-4,116.65-1,282.79

Finding the Fourth Proportional to 2,743.53, 4,116.65 and 1,282.79

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Solution

The fourth proportional to 2,743.53, 4,116.65 and 1,282.79 is: 1,924.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.53 : 4,116.65 = 1,282.79 : x
  2. Step 2: Convert to fraction form
    2,743.53/4,116.65 = 1,282.79/x
  3. Step 3: Cross multiply
    2,743.53x = 4,116.65 × 1,282.79
  4. Step 4: Simplify right side
    2,743.53x = 5,280,770.46
  5. Step 5: Solve for x
    x = 5,280,770.46/2,743.53
  6. Step 6: Final answer
    x = 1,924.81

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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.