Home / 2,079.13-3,112.70-1,933.16

Finding the Fourth Proportional to 2,079.13, 3,112.70 and 1,933.16

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Solution

The fourth proportional to 2,079.13, 3,112.70 and 1,933.16 is: 2,894.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079.13 : 3,112.70 = 1,933.16 : x
  2. Step 2: Convert to fraction form
    2,079.13/3,112.70 = 1,933.16/x
  3. Step 3: Cross multiply
    2,079.13x = 3,112.70 × 1,933.16
  4. Step 4: Simplify right side
    2,079.13x = 6,017,333.58
  5. Step 5: Solve for x
    x = 6,017,333.58/2,079.13
  6. Step 6: Final answer
    x = 2,894.16

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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.