Home / 2,079.12-3,115.98-1,814.26

Finding the Fourth Proportional to 2,079.12, 3,115.98 and 1,814.26

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Solution

The fourth proportional to 2,079.12, 3,115.98 and 1,814.26 is: 2,719.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.12 : 3,115.98 = 1,814.26 : x
  2. Step 2: Convert to fraction form
    2,079.12/3,115.98 = 1,814.26/x
  3. Step 3: Cross multiply
    2,079.12x = 3,115.98 × 1,814.26
  4. Step 4: Simplify right side
    2,079.12x = 5,653,197.87
  5. Step 5: Solve for x
    x = 5,653,197.87/2,079.12
  6. Step 6: Final answer
    x = 2,719.03

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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.