Home / 2,079.96-3,122.97-1,303.26

Finding the Fourth Proportional to 2,079.96, 3,122.97 and 1,303.26

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Solution

The fourth proportional to 2,079.96, 3,122.97 and 1,303.26 is: 1,956.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.96 : 3,122.97 = 1,303.26 : x
  2. Step 2: Convert to fraction form
    2,079.96/3,122.97 = 1,303.26/x
  3. Step 3: Cross multiply
    2,079.96x = 3,122.97 × 1,303.26
  4. Step 4: Simplify right side
    2,079.96x = 4,070,041.88
  5. Step 5: Solve for x
    x = 4,070,041.88/2,079.96
  6. Step 6: Final answer
    x = 1,956.79

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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.