Home / 2,849.40-4,276.80-1,755.90

Finding the Fourth Proportional to 2,849.40, 4,276.80 and 1,755.90

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Solution

The fourth proportional to 2,849.40, 4,276.80 and 1,755.90 is: 2,635.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.40 : 4,276.80 = 1,755.90 : x
  2. Step 2: Convert to fraction form
    2,849.40/4,276.80 = 1,755.90/x
  3. Step 3: Cross multiply
    2,849.40x = 4,276.80 × 1,755.90
  4. Step 4: Simplify right side
    2,849.40x = 7,509,633.12
  5. Step 5: Solve for x
    x = 7,509,633.12/2,849.40
  6. Step 6: Final answer
    x = 2,635.51

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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.