Home / 2,682.99-4,018.95-2,160.14

Finding the Fourth Proportional to 2,682.99, 4,018.95 and 2,160.14

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Solution

The fourth proportional to 2,682.99, 4,018.95 and 2,160.14 is: 3,235.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,682.99 : 4,018.95 = 2,160.14 : x
  2. Step 2: Convert to fraction form
    2,682.99/4,018.95 = 2,160.14/x
  3. Step 3: Cross multiply
    2,682.99x = 4,018.95 × 2,160.14
  4. Step 4: Simplify right side
    2,682.99x = 8,681,474.56
  5. Step 5: Solve for x
    x = 8,681,474.56/2,682.99
  6. Step 6: Final answer
    x = 3,235.75

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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.