Home / 2,755.75-4,131.82-1,569.83

Finding the Fourth Proportional to 2,755.75, 4,131.82 and 1,569.83

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Solution

The fourth proportional to 2,755.75, 4,131.82 and 1,569.83 is: 2,353.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.75 : 4,131.82 = 1,569.83 : x
  2. Step 2: Convert to fraction form
    2,755.75/4,131.82 = 1,569.83/x
  3. Step 3: Cross multiply
    2,755.75x = 4,131.82 × 1,569.83
  4. Step 4: Simplify right side
    2,755.75x = 6,486,254.99
  5. Step 5: Solve for x
    x = 6,486,254.99/2,755.75
  6. Step 6: Final answer
    x = 2,353.72

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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.