Home / 2,743.74-4,106.16-2,305.40

Finding the Fourth Proportional to 2,743.74, 4,106.16 and 2,305.40

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Solution

The fourth proportional to 2,743.74, 4,106.16 and 2,305.40 is: 3,450.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.74 : 4,106.16 = 2,305.40 : x
  2. Step 2: Convert to fraction form
    2,743.74/4,106.16 = 2,305.40/x
  3. Step 3: Cross multiply
    2,743.74x = 4,106.16 × 2,305.40
  4. Step 4: Simplify right side
    2,743.74x = 9,466,320.73
  5. Step 5: Solve for x
    x = 9,466,320.73/2,743.74
  6. Step 6: Final answer
    x = 3,450.15

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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.