Home / 3,755.20-5,632.80-1,675.20

Finding the Fourth Proportional to 3,755.20, 5,632.80 and 1,675.20

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Solution

The fourth proportional to 3,755.20, 5,632.80 and 1,675.20 is: 2,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,755.20 : 5,632.80 = 1,675.20 : x
  2. Step 2: Convert to fraction form
    3,755.20/5,632.80 = 1,675.20/x
  3. Step 3: Cross multiply
    3,755.20x = 5,632.80 × 1,675.20
  4. Step 4: Simplify right side
    3,755.20x = 9,436,066.56
  5. Step 5: Solve for x
    x = 9,436,066.56/3,755.20
  6. Step 6: Final answer
    x = 2,512.80

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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.