Home / 2,743.72-4,117.20-1,013.56

Finding the Fourth Proportional to 2,743.72, 4,117.20 and 1,013.56

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Solution

The fourth proportional to 2,743.72, 4,117.20 and 1,013.56 is: 1,520.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,743.72 : 4,117.20 = 1,013.56 : x
  2. Step 2: Convert to fraction form
    2,743.72/4,117.20 = 1,013.56/x
  3. Step 3: Cross multiply
    2,743.72x = 4,117.20 × 1,013.56
  4. Step 4: Simplify right side
    2,743.72x = 4,173,029.23
  5. Step 5: Solve for x
    x = 4,173,029.23/2,743.72
  6. Step 6: Final answer
    x = 1,520.94

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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.