Home / 2,727.99-4,082.67-1,687.55

Finding the Fourth Proportional to 2,727.99, 4,082.67 and 1,687.55

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Solution

The fourth proportional to 2,727.99, 4,082.67 and 1,687.55 is: 2,525.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.99 : 4,082.67 = 1,687.55 : x
  2. Step 2: Convert to fraction form
    2,727.99/4,082.67 = 1,687.55/x
  3. Step 3: Cross multiply
    2,727.99x = 4,082.67 × 1,687.55
  4. Step 4: Simplify right side
    2,727.99x = 6,889,689.35
  5. Step 5: Solve for x
    x = 6,889,689.35/2,727.99
  6. Step 6: Final answer
    x = 2,525.56

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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.