Home / 4,178.80-5,767.26-2,500.20

Finding the Fourth Proportional to 4,178.80, 5,767.26 and 2,500.20

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Solution

The fourth proportional to 4,178.80, 5,767.26 and 2,500.20 is: 3,450.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.80 : 5,767.26 = 2,500.20 : x
  2. Step 2: Convert to fraction form
    4,178.80/5,767.26 = 2,500.20/x
  3. Step 3: Cross multiply
    4,178.80x = 5,767.26 × 2,500.20
  4. Step 4: Simplify right side
    4,178.80x = 14,419,303.45
  5. Step 5: Solve for x
    x = 14,419,303.45/4,178.80
  6. Step 6: Final answer
    x = 3,450.58

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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.