Home / 2,512.24-3,462.89-1,980.26

Finding the Fourth Proportional to 2,512.24, 3,462.89 and 1,980.26

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Solution

The fourth proportional to 2,512.24, 3,462.89 and 1,980.26 is: 2,729.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.24 : 3,462.89 = 1,980.26 : x
  2. Step 2: Convert to fraction form
    2,512.24/3,462.89 = 1,980.26/x
  3. Step 3: Cross multiply
    2,512.24x = 3,462.89 × 1,980.26
  4. Step 4: Simplify right side
    2,512.24x = 6,857,414.82
  5. Step 5: Solve for x
    x = 6,857,414.82/2,512.24
  6. Step 6: Final answer
    x = 2,729.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.