Home / 2,743.56-4,117.42-2,125.76

Finding the Fourth Proportional to 2,743.56, 4,117.42 and 2,125.76

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Solution

The fourth proportional to 2,743.56, 4,117.42 and 2,125.76 is: 3,190.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.56 : 4,117.42 = 2,125.76 : x
  2. Step 2: Convert to fraction form
    2,743.56/4,117.42 = 2,125.76/x
  3. Step 3: Cross multiply
    2,743.56x = 4,117.42 × 2,125.76
  4. Step 4: Simplify right side
    2,743.56x = 8,752,646.74
  5. Step 5: Solve for x
    x = 8,752,646.74/2,743.56
  6. Step 6: Final answer
    x = 3,190.25

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1.5x scale

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.