Home / 2,116.08-3,174.78-1,500.99

Finding the Fourth Proportional to 2,116.08, 3,174.78 and 1,500.99

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Solution

The fourth proportional to 2,116.08, 3,174.78 and 1,500.99 is: 2,251.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.08 : 3,174.78 = 1,500.99 : x
  2. Step 2: Convert to fraction form
    2,116.08/3,174.78 = 1,500.99/x
  3. Step 3: Cross multiply
    2,116.08x = 3,174.78 × 1,500.99
  4. Step 4: Simplify right side
    2,116.08x = 4,765,313.03
  5. Step 5: Solve for x
    x = 4,765,313.03/2,116.08
  6. Step 6: Final answer
    x = 2,251.95

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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.