Home / 1,682.25-2,313.68-1,350.15

Finding the Fourth Proportional to 1,682.25, 2,313.68 and 1,350.15

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Solution

The fourth proportional to 1,682.25, 2,313.68 and 1,350.15 is: 1,856.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682.25 : 2,313.68 = 1,350.15 : x
  2. Step 2: Convert to fraction form
    1,682.25/2,313.68 = 1,350.15/x
  3. Step 3: Cross multiply
    1,682.25x = 2,313.68 × 1,350.15
  4. Step 4: Simplify right side
    1,682.25x = 3,123,808.30
  5. Step 5: Solve for x
    x = 3,123,808.30/1,682.25
  6. Step 6: Final answer
    x = 1,856.92

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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.