Home / 2,634.90-3,953.58-1,173.90

Finding the Fourth Proportional to 2,634.90, 3,953.58 and 1,173.90

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Solution

The fourth proportional to 2,634.90, 3,953.58 and 1,173.90 is: 1,761.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,634.90 : 3,953.58 = 1,173.90 : x
  2. Step 2: Convert to fraction form
    2,634.90/3,953.58 = 1,173.90/x
  3. Step 3: Cross multiply
    2,634.90x = 3,953.58 × 1,173.90
  4. Step 4: Simplify right side
    2,634.90x = 4,641,107.56
  5. Step 5: Solve for x
    x = 4,641,107.56/2,634.90
  6. Step 6: Final answer
    x = 1,761.40

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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.