Home / 2,400.73-3,314.31-1,658.68

Finding the Fourth Proportional to 2,400.73, 3,314.31 and 1,658.68

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Solution

The fourth proportional to 2,400.73, 3,314.31 and 1,658.68 is: 2,289.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,400.73 : 3,314.31 = 1,658.68 : x
  2. Step 2: Convert to fraction form
    2,400.73/3,314.31 = 1,658.68/x
  3. Step 3: Cross multiply
    2,400.73x = 3,314.31 × 1,658.68
  4. Step 4: Simplify right side
    2,400.73x = 5,497,371.43
  5. Step 5: Solve for x
    x = 5,497,371.43/2,400.73
  6. Step 6: Final answer
    x = 2,289.88

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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.