Home / 4,149.87-5,722.43-2,657.85

Finding the Fourth Proportional to 4,149.87, 5,722.43 and 2,657.85

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Solution

The fourth proportional to 4,149.87, 5,722.43 and 2,657.85 is: 3,665.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,149.87 : 5,722.43 = 2,657.85 : x
  2. Step 2: Convert to fraction form
    4,149.87/5,722.43 = 2,657.85/x
  3. Step 3: Cross multiply
    4,149.87x = 5,722.43 × 2,657.85
  4. Step 4: Simplify right side
    4,149.87x = 15,209,347.29
  5. Step 5: Solve for x
    x = 15,209,347.29/4,149.87
  6. Step 6: Final answer
    x = 3,665.02

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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.