Home / 2,079.42-3,119.54-1,104.99

Finding the Fourth Proportional to 2,079.42, 3,119.54 and 1,104.99

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Solution

The fourth proportional to 2,079.42, 3,119.54 and 1,104.99 is: 1,657.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.42 : 3,119.54 = 1,104.99 : x
  2. Step 2: Convert to fraction form
    2,079.42/3,119.54 = 1,104.99/x
  3. Step 3: Cross multiply
    2,079.42x = 3,119.54 × 1,104.99
  4. Step 4: Simplify right side
    2,079.42x = 3,447,054.98
  5. Step 5: Solve for x
    x = 3,447,054.98/2,079.42
  6. Step 6: Final answer
    x = 1,657.70

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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.