Home / 2,116.13-3,173.99-1,019.79

Finding the Fourth Proportional to 2,116.13, 3,173.99 and 1,019.79

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Solution

The fourth proportional to 2,116.13, 3,173.99 and 1,019.79 is: 1,529.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,116.13 : 3,173.99 = 1,019.79 : x
  2. Step 2: Convert to fraction form
    2,116.13/3,173.99 = 1,019.79/x
  3. Step 3: Cross multiply
    2,116.13x = 3,173.99 × 1,019.79
  4. Step 4: Simplify right side
    2,116.13x = 3,236,798.16
  5. Step 5: Solve for x
    x = 3,236,798.16/2,116.13
  6. Step 6: Final answer
    x = 1,529.59

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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.