Home / 1,944.39-2,917.13-1,079.31

Finding the Fourth Proportional to 1,944.39, 2,917.13 and 1,079.31

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Solution

The fourth proportional to 1,944.39, 2,917.13 and 1,079.31 is: 1,619.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,944.39 : 2,917.13 = 1,079.31 : x
  2. Step 2: Convert to fraction form
    1,944.39/2,917.13 = 1,079.31/x
  3. Step 3: Cross multiply
    1,944.39x = 2,917.13 × 1,079.31
  4. Step 4: Simplify right side
    1,944.39x = 3,148,482.18
  5. Step 5: Solve for x
    x = 3,148,482.18/1,944.39
  6. Step 6: Final answer
    x = 1,619.26

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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.