Home / 4,120.82-5,687.48-2,528.06

Finding the Fourth Proportional to 4,120.82, 5,687.48 and 2,528.06

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Solution

The fourth proportional to 4,120.82, 5,687.48 and 2,528.06 is: 3,489.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,120.82 : 5,687.48 = 2,528.06 : x
  2. Step 2: Convert to fraction form
    4,120.82/5,687.48 = 2,528.06/x
  3. Step 3: Cross multiply
    4,120.82x = 5,687.48 × 2,528.06
  4. Step 4: Simplify right side
    4,120.82x = 14,378,290.69
  5. Step 5: Solve for x
    x = 14,378,290.69/4,120.82
  6. Step 6: Final answer
    x = 3,489.18

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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.