Home / 2,519.57-3,475.68-1,711.73

Finding the Fourth Proportional to 2,519.57, 3,475.68 and 1,711.73

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Solution

The fourth proportional to 2,519.57, 3,475.68 and 1,711.73 is: 2,361.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,519.57 : 3,475.68 = 1,711.73 : x
  2. Step 2: Convert to fraction form
    2,519.57/3,475.68 = 1,711.73/x
  3. Step 3: Cross multiply
    2,519.57x = 3,475.68 × 1,711.73
  4. Step 4: Simplify right side
    2,519.57x = 5,949,437.63
  5. Step 5: Solve for x
    x = 5,949,437.63/2,519.57
  6. Step 6: Final answer
    x = 2,361.29

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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.