Home / 2,723.10-3,758.10-1,528.20

Finding the Fourth Proportional to 2,723.10, 3,758.10 and 1,528.20

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Solution

The fourth proportional to 2,723.10, 3,758.10 and 1,528.20 is: 2,109.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.10 : 3,758.10 = 1,528.20 : x
  2. Step 2: Convert to fraction form
    2,723.10/3,758.10 = 1,528.20/x
  3. Step 3: Cross multiply
    2,723.10x = 3,758.10 × 1,528.20
  4. Step 4: Simplify right side
    2,723.10x = 5,743,128.42
  5. Step 5: Solve for x
    x = 5,743,128.42/2,723.10
  6. Step 6: Final answer
    x = 2,109.04

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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.