Home / 4,189.93-5,780.97-2,697.30

Finding the Fourth Proportional to 4,189.93, 5,780.97 and 2,697.30

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Solution

The fourth proportional to 4,189.93, 5,780.97 and 2,697.30 is: 3,721.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,189.93 : 5,780.97 = 2,697.30 : x
  2. Step 2: Convert to fraction form
    4,189.93/5,780.97 = 2,697.30/x
  3. Step 3: Cross multiply
    4,189.93x = 5,780.97 × 2,697.30
  4. Step 4: Simplify right side
    4,189.93x = 15,593,010.38
  5. Step 5: Solve for x
    x = 15,593,010.38/4,189.93
  6. Step 6: Final answer
    x = 3,721.55

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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.