Home / 2,758.88-4,132.76-1,276.01

Finding the Fourth Proportional to 2,758.88, 4,132.76 and 1,276.01

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Solution

The fourth proportional to 2,758.88, 4,132.76 and 1,276.01 is: 1,911.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.88 : 4,132.76 = 1,276.01 : x
  2. Step 2: Convert to fraction form
    2,758.88/4,132.76 = 1,276.01/x
  3. Step 3: Cross multiply
    2,758.88x = 4,132.76 × 1,276.01
  4. Step 4: Simplify right side
    2,758.88x = 5,273,416.04
  5. Step 5: Solve for x
    x = 5,273,416.04/2,758.88
  6. Step 6: Final answer
    x = 1,911.44

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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.