Home / 2,648.87-3,653.39-1,763.14

Finding the Fourth Proportional to 2,648.87, 3,653.39 and 1,763.14

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Solution

The fourth proportional to 2,648.87, 3,653.39 and 1,763.14 is: 2,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648.87 : 3,653.39 = 1,763.14 : x
  2. Step 2: Convert to fraction form
    2,648.87/3,653.39 = 1,763.14/x
  3. Step 3: Cross multiply
    2,648.87x = 3,653.39 × 1,763.14
  4. Step 4: Simplify right side
    2,648.87x = 6,441,410.96
  5. Step 5: Solve for x
    x = 6,441,410.96/2,648.87
  6. Step 6: Final answer
    x = 2,431.76

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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.