Home / 4,145.23-5,721.93-2,748.43

Finding the Fourth Proportional to 4,145.23, 5,721.93 and 2,748.43

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Solution

The fourth proportional to 4,145.23, 5,721.93 and 2,748.43 is: 3,793.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.23 : 5,721.93 = 2,748.43 : x
  2. Step 2: Convert to fraction form
    4,145.23/5,721.93 = 2,748.43/x
  3. Step 3: Cross multiply
    4,145.23x = 5,721.93 × 2,748.43
  4. Step 4: Simplify right side
    4,145.23x = 15,726,324.07
  5. Step 5: Solve for x
    x = 15,726,324.07/4,145.23
  6. Step 6: Final answer
    x = 3,793.84

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1.5x scale

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.