Home / 3,755.80-5,628.84-2,521.36

Finding the Fourth Proportional to 3,755.80, 5,628.84 and 2,521.36

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Solution

The fourth proportional to 3,755.80, 5,628.84 and 2,521.36 is: 3,778.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.80 : 5,628.84 = 2,521.36 : x
  2. Step 2: Convert to fraction form
    3,755.80/5,628.84 = 2,521.36/x
  3. Step 3: Cross multiply
    3,755.80x = 5,628.84 × 2,521.36
  4. Step 4: Simplify right side
    3,755.80x = 14,192,332.02
  5. Step 5: Solve for x
    x = 14,192,332.02/3,755.80
  6. Step 6: Final answer
    x = 3,778.78

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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.