Home / 1,723.38-2,586.42-628.44

Finding the Fourth Proportional to 1,723.38, 2,586.42 and 628.44

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Solution

The fourth proportional to 1,723.38, 2,586.42 and 628.44 is: 943.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,723.38 : 2,586.42 = 628.44 : x
  2. Step 2: Convert to fraction form
    1,723.38/2,586.42 = 628.44/x
  3. Step 3: Cross multiply
    1,723.38x = 2,586.42 × 628.44
  4. Step 4: Simplify right side
    1,723.38x = 1,625,409.78
  5. Step 5: Solve for x
    x = 1,625,409.78/1,723.38
  6. Step 6: Final answer
    x = 943.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.