Home / 2,722.39-3,755.97-1,527.19

Finding the Fourth Proportional to 2,722.39, 3,755.97 and 1,527.19

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Solution

The fourth proportional to 2,722.39, 3,755.97 and 1,527.19 is: 2,107.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,722.39 : 3,755.97 = 1,527.19 : x
  2. Step 2: Convert to fraction form
    2,722.39/3,755.97 = 1,527.19/x
  3. Step 3: Cross multiply
    2,722.39x = 3,755.97 × 1,527.19
  4. Step 4: Simplify right side
    2,722.39x = 5,736,070.43
  5. Step 5: Solve for x
    x = 5,736,070.43/2,722.39
  6. Step 6: Final answer
    x = 2,107.00

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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.