Home / 2,755.40-4,132.32-2,316.80

Finding the Fourth Proportional to 2,755.40, 4,132.32 and 2,316.80

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Solution

The fourth proportional to 2,755.40, 4,132.32 and 2,316.80 is: 3,474.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,755.40 : 4,132.32 = 2,316.80 : x
  2. Step 2: Convert to fraction form
    2,755.40/4,132.32 = 2,316.80/x
  3. Step 3: Cross multiply
    2,755.40x = 4,132.32 × 2,316.80
  4. Step 4: Simplify right side
    2,755.40x = 9,573,758.98
  5. Step 5: Solve for x
    x = 9,573,758.98/2,755.40
  6. Step 6: Final answer
    x = 3,474.54

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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.