Home / 2,723.96-3,758.92-1,528.79

Finding the Fourth Proportional to 2,723.96, 3,758.92 and 1,528.79

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Solution

The fourth proportional to 2,723.96, 3,758.92 and 1,528.79 is: 2,109.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.96 : 3,758.92 = 1,528.79 : x
  2. Step 2: Convert to fraction form
    2,723.96/3,758.92 = 1,528.79/x
  3. Step 3: Cross multiply
    2,723.96x = 3,758.92 × 1,528.79
  4. Step 4: Simplify right side
    2,723.96x = 5,746,576.69
  5. Step 5: Solve for x
    x = 5,746,576.69/2,723.96
  6. Step 6: Final answer
    x = 2,109.64

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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.