Home / 3,721.43-5,577.88-2,074.69

Finding the Fourth Proportional to 3,721.43, 5,577.88 and 2,074.69

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Solution

The fourth proportional to 3,721.43, 5,577.88 and 2,074.69 is: 3,109.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,721.43 : 5,577.88 = 2,074.69 : x
  2. Step 2: Convert to fraction form
    3,721.43/5,577.88 = 2,074.69/x
  3. Step 3: Cross multiply
    3,721.43x = 5,577.88 × 2,074.69
  4. Step 4: Simplify right side
    3,721.43x = 11,572,353.09
  5. Step 5: Solve for x
    x = 11,572,353.09/3,721.43
  6. Step 6: Final answer
    x = 3,109.65

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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.