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Finding the Fourth Proportional to 2,755.75, 4,113.79 and 2,361.50

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Solution

The fourth proportional to 2,755.75, 4,113.79 and 2,361.50 is: 3,525.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.75 : 4,113.79 = 2,361.50 : x
  2. Step 2: Convert to fraction form
    2,755.75/4,113.79 = 2,361.50/x
  3. Step 3: Cross multiply
    2,755.75x = 4,113.79 × 2,361.50
  4. Step 4: Simplify right side
    2,755.75x = 9,714,703.28
  5. Step 5: Solve for x
    x = 9,714,703.28/2,755.75
  6. Step 6: Final answer
    x = 3,525.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.