Home / 2,682.66-4,026.60-1,296.72

Finding the Fourth Proportional to 2,682.66, 4,026.60 and 1,296.72

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Solution

The fourth proportional to 2,682.66, 4,026.60 and 1,296.72 is: 1,946.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.66 : 4,026.60 = 1,296.72 : x
  2. Step 2: Convert to fraction form
    2,682.66/4,026.60 = 1,296.72/x
  3. Step 3: Cross multiply
    2,682.66x = 4,026.60 × 1,296.72
  4. Step 4: Simplify right side
    2,682.66x = 5,221,372.75
  5. Step 5: Solve for x
    x = 5,221,372.75/2,682.66
  6. Step 6: Final answer
    x = 1,946.34

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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.